21005005296

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1283297}}^1$

素因数の和:1283350

約数の個数: 80

約数和(自身を含む): 61105517568

約数和(自身を除く): 40100512272

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1364, 1488, 2046, 2728, 4092, 5456, 8184, 16368, 1283297, 2566594, 3849891, 5133188, 7699782, 10266376, 14116267, 15399564, 20532752, 28232534, 30799128, 39782207, 42348801, 56465068, 61598256, 79564414, 84697602, 112930136, 119346621, 159128828, 169395204, 225860272, 238693242, 318257656, 338790408, 437604277, 477386484, 636515312, 677580816, 875208554, 954772968, 1312812831, 1750417108, 1909545936, 2625625662, 3500834216, 5251251324, 7001668432, 10502502648, 21005005296]

約数ペア:

[(1, 21005005296), (2, 10502502648), (3, 7001668432), (4, 5251251324), (6, 3500834216), (8, 2625625662), (11, 1909545936), (12, 1750417108), (16, 1312812831), (22, 954772968), (24, 875208554), (31, 677580816), (33, 636515312), (44, 477386484), (48, 437604277), (62, 338790408), (66, 318257656), (88, 238693242), (93, 225860272), (124, 169395204), (132, 159128828), (176, 119346621), (186, 112930136), (248, 84697602), (264, 79564414), (341, 61598256), (372, 56465068), (496, 42348801), (528, 39782207), (682, 30799128), (744, 28232534), (1023, 20532752), (1364, 15399564), (1488, 14116267), (2046, 10266376), (2728, 7699782), (4092, 5133188), (5456, 3849891), (8184, 2566594), (16368, 1283297)]