21706298210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5437}}^1\times {\mathrm{5623}}^1$

素因数の和:11138

約数の個数: 32

約数和(自身を含む): 39635972352

約数和(自身を除く): 17929674142

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 5437, 5623, 10874, 11246, 27185, 28115, 54370, 56230, 386027, 399233, 772054, 798466, 1930135, 1996165, 3860270, 3992330, 30572251, 61144502, 152861255, 305722510, 2170629821, 4341259642, 10853149105, 21706298210]

約数ペア:

[(1, 21706298210), (2, 10853149105), (5, 4341259642), (10, 2170629821), (71, 305722510), (142, 152861255), (355, 61144502), (710, 30572251), (5437, 3992330), (5623, 3860270), (10874, 1996165), (11246, 1930135), (27185, 798466), (28115, 772054), (54370, 399233), (56230, 386027)]