21080808

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 65919360

約数和(自身を除く): 44838552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 151, 168, 252, 277, 302, 453, 504, 554, 604, 831, 906, 1057, 1108, 1208, 1359, 1662, 1812, 1939, 2114, 2216, 2493, 2718, 3171, 3324, 3624, 3878, 4228, 4986, 5436, 5817, 6342, 6648, 7756, 8456, 9513, 9972, 10872, 11634, 12684, 15512, 17451, 19026, 19944, 23268, 25368, 34902, 38052, 41827, 46536, 69804, 76104, 83654, 125481, 139608, 167308, 250962, 292789, 334616, 376443, 501924, 585578, 752886, 878367, 1003848, 1171156, 1505772, 1756734, 2342312, 2635101, 3011544, 3513468, 5270202, 7026936, 10540404, 21080808]

約数ペア:

[(1, 21080808), (2, 10540404), (3, 7026936), (4, 5270202), (6, 3513468), (7, 3011544), (8, 2635101), (9, 2342312), (12, 1756734), (14, 1505772), (18, 1171156), (21, 1003848), (24, 878367), (28, 752886), (36, 585578), (42, 501924), (56, 376443), (63, 334616), (72, 292789), (84, 250962), (126, 167308), (151, 139608), (168, 125481), (252, 83654), (277, 76104), (302, 69804), (453, 46536), (504, 41827), (554, 38052), (604, 34902), (831, 25368), (906, 23268), (1057, 19944), (1108, 19026), (1208, 17451), (1359, 15512), (1662, 12684), (1812, 11634), (1939, 10872), (2114, 9972), (2216, 9513), (2493, 8456), (2718, 7756), (3171, 6648), (3324, 6342), (3624, 5817), (3878, 5436), (4228, 4986)]