21349449940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1135

約数の個数: 288

約数和(自身を含む): 59846169600

約数和(自身を除く): 38496719660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 89, 91, 95, 98, 130, 133, 140, 178, 182, 190, 196, 245, 247, 260, 266, 356, 364, 380, 445, 455, 490, 494, 532, 623, 637, 665, 890, 910, 931, 980, 988, 991, 1157, 1235, 1246, 1274, 1330, 1691, 1729, 1780, 1820, 1862, 1982, 2314, 2470, 2492, 2548, 2660, 3115, 3185, 3382, 3458, 3724, 3964, 4361, 4628, 4655, 4940, 4955, 5785, 6230, 6370, 6764, 6916, 6937, 8099, 8455, 8645, 8722, 9310, 9910, 11570, 11837, 12103, 12460, 12740, 12883, 13874, 16198, 16910, 17290, 17444, 18620, 18829, 19820, 21805, 21983, 23140, 23674, 24206, 25766, 27748, 32396, 33820, 34580, 34685, 37658, 40495, 43610, 43966, 47348, 48412, 48559, 51532, 56693, 59185, 60515, 64415, 69370, 75316, 80990, 82859, 87220, 87932, 88199, 90181, 94145, 97118, 109915, 113386, 118370, 121030, 128830, 131803, 138740, 153881, 161980, 165718, 176398, 180362, 188290, 194236, 219830, 226772, 236740, 242060, 242795, 244777, 257660, 263606, 283465, 307762, 331436, 352796, 360724, 376580, 414295, 439660, 440995, 450905, 485590, 489554, 527212, 566930, 615524, 617393, 631267, 659015, 769405, 828590, 881990, 901810, 922621, 971180, 979108, 1077167, 1133860, 1146587, 1223885, 1234786, 1262534, 1318030, 1538810, 1657180, 1675781, 1713439, 1763980, 1803620, 1845242, 2154334, 2293174, 2447770, 2469572, 2525068, 2636060, 3077620, 3086965, 3156335, 3351562, 3426878, 3690484, 4308668, 4321751, 4586348, 4613105, 4895540, 5385835, 5732935, 6173930, 6312670, 6703124, 6853756, 8026109, 8378905, 8567195, 8643502, 9226210, 10771670, 11465870, 11730467, 11994073, 12347860, 12625340, 16052218, 16757810, 17134390, 17287004, 18452420, 21543340, 21608755, 21785153, 22931740, 23460934, 23988146, 32104436, 33515620, 34268780, 40130545, 43217510, 43570306, 46921868, 47976292, 56182763, 58652335, 59970365, 80261090, 82113269, 86435020, 87140612, 108925765, 112365526, 117304670, 119940730, 152496071, 160522180, 164226538, 217851530, 224731052, 234609340, 239881460, 280913815, 304992142, 328453076, 410566345, 435703060, 561827630, 609984284, 762480355, 821132690, 1067472497, 1123655260, 1524960710, 1642265380, 2134944994, 3049921420, 4269889988, 5337362485, 10674724970, 21349449940]

約数ペア:

[(1, 21349449940), (2, 10674724970), (4, 5337362485), (5, 4269889988), (7, 3049921420), (10, 2134944994), (13, 1642265380), (14, 1524960710), (19, 1123655260), (20, 1067472497), (26, 821132690), (28, 762480355), (35, 609984284), (38, 561827630), (49, 435703060), (52, 410566345), (65, 328453076), (70, 304992142), (76, 280913815), (89, 239881460), (91, 234609340), (95, 224731052), (98, 217851530), (130, 164226538), (133, 160522180), (140, 152496071), (178, 119940730), (182, 117304670), (190, 112365526), (196, 108925765), (245, 87140612), (247, 86435020), (260, 82113269), (266, 80261090), (356, 59970365), (364, 58652335), (380, 56182763), (445, 47976292), (455, 46921868), (490, 43570306), (494, 43217510), (532, 40130545), (623, 34268780), (637, 33515620), (665, 32104436), (890, 23988146), (910, 23460934), (931, 22931740), (980, 21785153), (988, 21608755), (991, 21543340), (1157, 18452420), (1235, 17287004), (1246, 17134390), (1274, 16757810), (1330, 16052218), (1691, 12625340), (1729, 12347860), (1780, 11994073), (1820, 11730467), (1862, 11465870), (1982, 10771670), (2314, 9226210), (2470, 8643502), (2492, 8567195), (2548, 8378905), (2660, 8026109), (3115, 6853756), (3185, 6703124), (3382, 6312670), (3458, 6173930), (3724, 5732935), (3964, 5385835), (4361, 4895540), (4628, 4613105), (4655, 4586348), (4940, 4321751), (4955, 4308668), (5785, 3690484), (6230, 3426878), (6370, 3351562), (6764, 3156335), (6916, 3086965), (6937, 3077620), (8099, 2636060), (8455, 2525068), (8645, 2469572), (8722, 2447770), (9310, 2293174), (9910, 2154334), (11570, 1845242), (11837, 1803620), (12103, 1763980), (12460, 1713439), (12740, 1675781), (12883, 1657180), (13874, 1538810), (16198, 1318030), (16910, 1262534), (17290, 1234786), (17444, 1223885), (18620, 1146587), (18829, 1133860), (19820, 1077167), (21805, 979108), (21983, 971180), (23140, 922621), (23674, 901810), (24206, 881990), (25766, 828590), (27748, 769405), (32396, 659015), (33820, 631267), (34580, 617393), (34685, 615524), (37658, 566930), (40495, 527212), (43610, 489554), (43966, 485590), (47348, 450905), (48412, 440995), (48559, 439660), (51532, 414295), (56693, 376580), (59185, 360724), (60515, 352796), (64415, 331436), (69370, 307762), (75316, 283465), (80990, 263606), (82859, 257660), (87220, 244777), (87932, 242795), (88199, 242060), (90181, 236740), (94145, 226772), (97118, 219830), (109915, 194236), (113386, 188290), (118370, 180362), (121030, 176398), (128830, 165718), (131803, 161980), (138740, 153881)]