21317400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:946

約数の個数: 144

約数和(自身を含む): 77182560

約数和(自身を除く): 55865160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 911, 936, 975, 1170, 1300, 1560, 1800, 1822, 1950, 2340, 2600, 2733, 2925, 3644, 3900, 4555, 4680, 5466, 5850, 7288, 7800, 8199, 9110, 10932, 11700, 11843, 13665, 16398, 18220, 21864, 22775, 23400, 23686, 27330, 32796, 35529, 36440, 40995, 45550, 47372, 54660, 59215, 65592, 68325, 71058, 81990, 91100, 94744, 106587, 109320, 118430, 136650, 142116, 163980, 177645, 182200, 204975, 213174, 236860, 273300, 284232, 296075, 327960, 355290, 409950, 426348, 473720, 532935, 546600, 592150, 710580, 819900, 852696, 888225, 1065870, 1184300, 1421160, 1639800, 1776450, 2131740, 2368600, 2664675, 3552900, 4263480, 5329350, 7105800, 10658700, 21317400]

約数ペア:

[(1, 21317400), (2, 10658700), (3, 7105800), (4, 5329350), (5, 4263480), (6, 3552900), (8, 2664675), (9, 2368600), (10, 2131740), (12, 1776450), (13, 1639800), (15, 1421160), (18, 1184300), (20, 1065870), (24, 888225), (25, 852696), (26, 819900), (30, 710580), (36, 592150), (39, 546600), (40, 532935), (45, 473720), (50, 426348), (52, 409950), (60, 355290), (65, 327960), (72, 296075), (75, 284232), (78, 273300), (90, 236860), (100, 213174), (104, 204975), (117, 182200), (120, 177645), (130, 163980), (150, 142116), (156, 136650), (180, 118430), (195, 109320), (200, 106587), (225, 94744), (234, 91100), (260, 81990), (300, 71058), (312, 68325), (325, 65592), (360, 59215), (390, 54660), (450, 47372), (468, 45550), (520, 40995), (585, 36440), (600, 35529), (650, 32796), (780, 27330), (900, 23686), (911, 23400), (936, 22775), (975, 21864), (1170, 18220), (1300, 16398), (1560, 13665), (1800, 11843), (1822, 11700), (1950, 10932), (2340, 9110), (2600, 8199), (2733, 7800), (2925, 7288), (3644, 5850), (3900, 5466), (4555, 4680)]