21413600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 59058720

約数和(自身を除く): 37645120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 32, 40, 50, 52, 58, 65, 71, 80, 100, 104, 116, 130, 142, 145, 160, 200, 208, 232, 260, 284, 290, 325, 355, 377, 400, 416, 464, 520, 568, 580, 650, 710, 725, 754, 800, 923, 928, 1040, 1136, 1160, 1300, 1420, 1450, 1508, 1775, 1846, 1885, 2059, 2080, 2272, 2320, 2600, 2840, 2900, 3016, 3550, 3692, 3770, 4118, 4615, 4640, 5200, 5680, 5800, 6032, 7100, 7384, 7540, 8236, 9230, 9425, 10295, 10400, 11360, 11600, 12064, 14200, 14768, 15080, 16472, 18460, 18850, 20590, 23075, 23200, 26767, 28400, 29536, 30160, 32944, 36920, 37700, 41180, 46150, 51475, 53534, 56800, 60320, 65888, 73840, 75400, 82360, 92300, 102950, 107068, 133835, 147680, 150800, 164720, 184600, 205900, 214136, 267670, 301600, 329440, 369200, 411800, 428272, 535340, 669175, 738400, 823600, 856544, 1070680, 1338350, 1647200, 2141360, 2676700, 4282720, 5353400, 10706800, 21413600]

約数ペア:

[(1, 21413600), (2, 10706800), (4, 5353400), (5, 4282720), (8, 2676700), (10, 2141360), (13, 1647200), (16, 1338350), (20, 1070680), (25, 856544), (26, 823600), (29, 738400), (32, 669175), (40, 535340), (50, 428272), (52, 411800), (58, 369200), (65, 329440), (71, 301600), (80, 267670), (100, 214136), (104, 205900), (116, 184600), (130, 164720), (142, 150800), (145, 147680), (160, 133835), (200, 107068), (208, 102950), (232, 92300), (260, 82360), (284, 75400), (290, 73840), (325, 65888), (355, 60320), (377, 56800), (400, 53534), (416, 51475), (464, 46150), (520, 41180), (568, 37700), (580, 36920), (650, 32944), (710, 30160), (725, 29536), (754, 28400), (800, 26767), (923, 23200), (928, 23075), (1040, 20590), (1136, 18850), (1160, 18460), (1300, 16472), (1420, 15080), (1450, 14768), (1508, 14200), (1775, 12064), (1846, 11600), (1885, 11360), (2059, 10400), (2080, 10295), (2272, 9425), (2320, 9230), (2600, 8236), (2840, 7540), (2900, 7384), (3016, 7100), (3550, 6032), (3692, 5800), (3770, 5680), (4118, 5200), (4615, 4640)]