21743280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 240

約数和(自身を含む): 82869696

約数和(自身を除く): 61126416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 101, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 202, 207, 208, 230, 234, 240, 260, 276, 299, 303, 312, 345, 360, 368, 390, 404, 414, 460, 468, 505, 520, 552, 585, 598, 606, 624, 690, 720, 780, 808, 828, 897, 909, 920, 936, 1010, 1035, 1040, 1104, 1170, 1196, 1212, 1313, 1380, 1495, 1515, 1560, 1616, 1656, 1794, 1818, 1840, 1872, 2020, 2070, 2323, 2340, 2392, 2424, 2626, 2691, 2760, 2990, 3030, 3120, 3312, 3588, 3636, 3939, 4040, 4140, 4485, 4545, 4646, 4680, 4784, 4848, 5252, 5382, 5520, 5980, 6060, 6565, 6969, 7176, 7272, 7878, 8080, 8280, 8970, 9090, 9292, 9360, 10504, 10764, 11615, 11817, 11960, 12120, 13130, 13455, 13938, 14352, 14544, 15756, 16560, 17940, 18180, 18584, 19695, 20907, 21008, 21528, 23230, 23634, 23920, 24240, 26260, 26910, 27876, 30199, 31512, 34845, 35880, 36360, 37168, 39390, 41814, 43056, 46460, 47268, 52520, 53820, 55752, 59085, 60398, 63024, 69690, 71760, 72720, 78780, 83628, 90597, 92920, 94536, 104535, 105040, 107640, 111504, 118170, 120796, 139380, 150995, 157560, 167256, 181194, 185840, 189072, 209070, 215280, 236340, 241592, 271791, 278760, 301990, 315120, 334512, 362388, 418140, 452985, 472680, 483184, 543582, 557520, 603980, 724776, 836280, 905970, 945360, 1087164, 1207960, 1358955, 1449552, 1672560, 1811940, 2174328, 2415920, 2717910, 3623880, 4348656, 5435820, 7247760, 10871640, 21743280]

約数ペア:

[(1, 21743280), (2, 10871640), (3, 7247760), (4, 5435820), (5, 4348656), (6, 3623880), (8, 2717910), (9, 2415920), (10, 2174328), (12, 1811940), (13, 1672560), (15, 1449552), (16, 1358955), (18, 1207960), (20, 1087164), (23, 945360), (24, 905970), (26, 836280), (30, 724776), (36, 603980), (39, 557520), (40, 543582), (45, 483184), (46, 472680), (48, 452985), (52, 418140), (60, 362388), (65, 334512), (69, 315120), (72, 301990), (78, 278760), (80, 271791), (90, 241592), (92, 236340), (101, 215280), (104, 209070), (115, 189072), (117, 185840), (120, 181194), (130, 167256), (138, 157560), (144, 150995), (156, 139380), (180, 120796), (184, 118170), (195, 111504), (202, 107640), (207, 105040), (208, 104535), (230, 94536), (234, 92920), (240, 90597), (260, 83628), (276, 78780), (299, 72720), (303, 71760), (312, 69690), (345, 63024), (360, 60398), (368, 59085), (390, 55752), (404, 53820), (414, 52520), (460, 47268), (468, 46460), (505, 43056), (520, 41814), (552, 39390), (585, 37168), (598, 36360), (606, 35880), (624, 34845), (690, 31512), (720, 30199), (780, 27876), (808, 26910), (828, 26260), (897, 24240), (909, 23920), (920, 23634), (936, 23230), (1010, 21528), (1035, 21008), (1040, 20907), (1104, 19695), (1170, 18584), (1196, 18180), (1212, 17940), (1313, 16560), (1380, 15756), (1495, 14544), (1515, 14352), (1560, 13938), (1616, 13455), (1656, 13130), (1794, 12120), (1818, 11960), (1840, 11817), (1872, 11615), (2020, 10764), (2070, 10504), (2323, 9360), (2340, 9292), (2392, 9090), (2424, 8970), (2626, 8280), (2691, 8080), (2760, 7878), (2990, 7272), (3030, 7176), (3120, 6969), (3312, 6565), (3588, 6060), (3636, 5980), (3939, 5520), (4040, 5382), (4140, 5252), (4485, 4848), (4545, 4784), (4646, 4680)]