21840788710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{276781}}^1$

素因数の和:277408

約数の個数: 32

約数和(自身を含む): 42407430912

約数和(自身を除く): 20566642202

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 607, 1214, 3035, 6070, 7891, 15782, 39455, 78910, 276781, 553562, 1383905, 2767810, 3598153, 7196306, 17990765, 35981530, 168006067, 336012134, 840030335, 1680060670, 2184078871, 4368157742, 10920394355, 21840788710]

約数ペア:

[(1, 21840788710), (2, 10920394355), (5, 4368157742), (10, 2184078871), (13, 1680060670), (26, 840030335), (65, 336012134), (130, 168006067), (607, 35981530), (1214, 17990765), (3035, 7196306), (6070, 3598153), (7891, 2767810), (15782, 1383905), (39455, 553562), (78910, 276781)]