21558480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2148

約数の個数: 80

約数和(自身を含む): 68418240

約数和(自身を除く): 46859760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2089, 2580, 3440, 4178, 5160, 6267, 8356, 10320, 10445, 12534, 16712, 20890, 25068, 31335, 33424, 41780, 50136, 62670, 83560, 89827, 100272, 125340, 167120, 179654, 250680, 269481, 359308, 449135, 501360, 538962, 718616, 898270, 1077924, 1347405, 1437232, 1796540, 2155848, 2694810, 3593080, 4311696, 5389620, 7186160, 10779240, 21558480]

約数ペア:

[(1, 21558480), (2, 10779240), (3, 7186160), (4, 5389620), (5, 4311696), (6, 3593080), (8, 2694810), (10, 2155848), (12, 1796540), (15, 1437232), (16, 1347405), (20, 1077924), (24, 898270), (30, 718616), (40, 538962), (43, 501360), (48, 449135), (60, 359308), (80, 269481), (86, 250680), (120, 179654), (129, 167120), (172, 125340), (215, 100272), (240, 89827), (258, 83560), (344, 62670), (430, 50136), (516, 41780), (645, 33424), (688, 31335), (860, 25068), (1032, 20890), (1290, 16712), (1720, 12534), (2064, 10445), (2089, 10320), (2580, 8356), (3440, 6267), (4178, 5160)]