21890838

素因数分解:

$2^1\times 3^1\times {\mathrm{271}}^1\times {\mathrm{13463}}^1$

素因数の和:13739

約数の個数: 16

約数和(自身を含む): 43946496

約数和(自身を除く): 22055658

約数列:

[1, 2, 3, 6, 271, 542, 813, 1626, 13463, 26926, 40389, 80778, 3648473, 7296946, 10945419, 21890838]

約数ペア:

[(1, 21890838), (2, 10945419), (3, 7296946), (6, 3648473), (271, 80778), (542, 40389), (813, 26926), (1626, 13463)]