21683480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 192

約数和(自身を含む): 65499840

約数和(自身を除く): 43816360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 37, 40, 46, 49, 52, 56, 65, 70, 74, 91, 92, 98, 104, 115, 130, 140, 148, 161, 182, 184, 185, 196, 230, 245, 259, 260, 280, 296, 299, 322, 364, 370, 392, 455, 460, 481, 490, 518, 520, 598, 637, 644, 728, 740, 805, 851, 910, 920, 962, 980, 1036, 1127, 1196, 1274, 1288, 1295, 1480, 1495, 1610, 1702, 1813, 1820, 1924, 1960, 2072, 2093, 2254, 2392, 2405, 2548, 2590, 2990, 3185, 3220, 3367, 3404, 3626, 3640, 3848, 4186, 4255, 4508, 4810, 5096, 5180, 5635, 5957, 5980, 6370, 6440, 6734, 6808, 7252, 8372, 8510, 9016, 9065, 9620, 10360, 10465, 11063, 11270, 11914, 11960, 12740, 13468, 14504, 14651, 16744, 16835, 17020, 18130, 19240, 20930, 22126, 22540, 23569, 23828, 25480, 26936, 29302, 29785, 33670, 34040, 36260, 41699, 41860, 44252, 45080, 47138, 47656, 55315, 58604, 59570, 67340, 72520, 73255, 77441, 83398, 83720, 88504, 94276, 110630, 117208, 117845, 119140, 134680, 146510, 154882, 166796, 188552, 208495, 221260, 235690, 238280, 293020, 309764, 333592, 387205, 416990, 442520, 471380, 542087, 586040, 619528, 774410, 833980, 942760, 1084174, 1548820, 1667960, 2168348, 2710435, 3097640, 4336696, 5420870, 10841740, 21683480]

約数ペア:

[(1, 21683480), (2, 10841740), (4, 5420870), (5, 4336696), (7, 3097640), (8, 2710435), (10, 2168348), (13, 1667960), (14, 1548820), (20, 1084174), (23, 942760), (26, 833980), (28, 774410), (35, 619528), (37, 586040), (40, 542087), (46, 471380), (49, 442520), (52, 416990), (56, 387205), (65, 333592), (70, 309764), (74, 293020), (91, 238280), (92, 235690), (98, 221260), (104, 208495), (115, 188552), (130, 166796), (140, 154882), (148, 146510), (161, 134680), (182, 119140), (184, 117845), (185, 117208), (196, 110630), (230, 94276), (245, 88504), (259, 83720), (260, 83398), (280, 77441), (296, 73255), (299, 72520), (322, 67340), (364, 59570), (370, 58604), (392, 55315), (455, 47656), (460, 47138), (481, 45080), (490, 44252), (518, 41860), (520, 41699), (598, 36260), (637, 34040), (644, 33670), (728, 29785), (740, 29302), (805, 26936), (851, 25480), (910, 23828), (920, 23569), (962, 22540), (980, 22126), (1036, 20930), (1127, 19240), (1196, 18130), (1274, 17020), (1288, 16835), (1295, 16744), (1480, 14651), (1495, 14504), (1610, 13468), (1702, 12740), (1813, 11960), (1820, 11914), (1924, 11270), (1960, 11063), (2072, 10465), (2093, 10360), (2254, 9620), (2392, 9065), (2405, 9016), (2548, 8510), (2590, 8372), (2990, 7252), (3185, 6808), (3220, 6734), (3367, 6440), (3404, 6370), (3626, 5980), (3640, 5957), (3848, 5635), (4186, 5180), (4255, 5096), (4508, 4810)]