21031461840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{7187}}^1$

素因数の和:7429

約数の個数: 160

約数和(自身を含む): 66420570240

約数和(自身を除く): 45389108400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 137, 178, 240, 267, 274, 356, 411, 445, 534, 548, 685, 712, 822, 890, 1068, 1096, 1335, 1370, 1424, 1644, 1780, 2055, 2136, 2192, 2670, 2740, 3288, 3560, 4110, 4272, 5340, 5480, 6576, 7120, 7187, 8220, 10680, 10960, 12193, 14374, 16440, 21360, 21561, 24386, 28748, 32880, 35935, 36579, 43122, 48772, 57496, 60965, 71870, 73158, 86244, 97544, 107805, 114992, 121930, 143740, 146316, 172488, 182895, 195088, 215610, 243860, 287480, 292632, 344976, 365790, 431220, 487720, 574960, 585264, 639643, 731580, 862440, 975440, 984619, 1279286, 1463160, 1724880, 1918929, 1969238, 2558572, 2926320, 2953857, 3198215, 3837858, 3938476, 4923095, 5117144, 5907714, 6396430, 7675716, 7876952, 9594645, 9846190, 10234288, 11815428, 12792860, 14769285, 15351432, 15753904, 19189290, 19692380, 23630856, 25585720, 29538570, 30702864, 38378580, 39384760, 47261712, 51171440, 59077140, 76757160, 78769520, 87631091, 118154280, 153514320, 175262182, 236308560, 262893273, 350524364, 438155455, 525786546, 701048728, 876310910, 1051573092, 1314466365, 1402097456, 1752621820, 2103146184, 2628932730, 3505243640, 4206292368, 5257865460, 7010487280, 10515730920, 21031461840]

約数ペア:

[(1, 21031461840), (2, 10515730920), (3, 7010487280), (4, 5257865460), (5, 4206292368), (6, 3505243640), (8, 2628932730), (10, 2103146184), (12, 1752621820), (15, 1402097456), (16, 1314466365), (20, 1051573092), (24, 876310910), (30, 701048728), (40, 525786546), (48, 438155455), (60, 350524364), (80, 262893273), (89, 236308560), (120, 175262182), (137, 153514320), (178, 118154280), (240, 87631091), (267, 78769520), (274, 76757160), (356, 59077140), (411, 51171440), (445, 47261712), (534, 39384760), (548, 38378580), (685, 30702864), (712, 29538570), (822, 25585720), (890, 23630856), (1068, 19692380), (1096, 19189290), (1335, 15753904), (1370, 15351432), (1424, 14769285), (1644, 12792860), (1780, 11815428), (2055, 10234288), (2136, 9846190), (2192, 9594645), (2670, 7876952), (2740, 7675716), (3288, 6396430), (3560, 5907714), (4110, 5117144), (4272, 4923095), (5340, 3938476), (5480, 3837858), (6576, 3198215), (7120, 2953857), (7187, 2926320), (8220, 2558572), (10680, 1969238), (10960, 1918929), (12193, 1724880), (14374, 1463160), (16440, 1279286), (21360, 984619), (21561, 975440), (24386, 862440), (28748, 731580), (32880, 639643), (35935, 585264), (36579, 574960), (43122, 487720), (48772, 431220), (57496, 365790), (60965, 344976), (71870, 292632), (73158, 287480), (86244, 243860), (97544, 215610), (107805, 195088), (114992, 182895), (121930, 172488), (143740, 146316)]