21028908

素因数分解:

$2^2\times 3^1\times {\mathrm{607}}^1\times {\mathrm{2887}}^1$

素因数の和:3501

約数の個数: 24

約数和(自身を含む): 49165312

約数和(自身を除く): 28136404

約数列:

[1, 2, 3, 4, 6, 12, 607, 1214, 1821, 2428, 2887, 3642, 5774, 7284, 8661, 11548, 17322, 34644, 1752409, 3504818, 5257227, 7009636, 10514454, 21028908]

約数ペア:

[(1, 21028908), (2, 10514454), (3, 7009636), (4, 5257227), (6, 3504818), (12, 1752409), (607, 34644), (1214, 17322), (1821, 11548), (2428, 8661), (2887, 7284), (3642, 5774)]