21891942

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 49083840

約数和(自身を除く): 27191898

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 113, 141, 226, 229, 282, 339, 423, 458, 678, 687, 846, 1017, 1374, 2034, 2061, 4122, 5311, 10622, 10763, 15933, 21526, 25877, 31866, 32289, 47799, 51754, 64578, 77631, 95598, 96867, 155262, 193734, 232893, 465786, 1216219, 2432438, 3648657, 7297314, 10945971, 21891942]

約数ペア:

[(1, 21891942), (2, 10945971), (3, 7297314), (6, 3648657), (9, 2432438), (18, 1216219), (47, 465786), (94, 232893), (113, 193734), (141, 155262), (226, 96867), (229, 95598), (282, 77631), (339, 64578), (423, 51754), (458, 47799), (678, 32289), (687, 31866), (846, 25877), (1017, 21526), (1374, 15933), (2034, 10763), (2061, 10622), (4122, 5311)]