21162154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2459}}^1$

素因数の和:2805

約数の個数: 16

約数和(自身を含む): 34302240

約数和(自身を除く): 13140086

約数列:

[1, 2, 13, 26, 331, 662, 2459, 4303, 4918, 8606, 31967, 63934, 813929, 1627858, 10581077, 21162154]

約数ペア:

[(1, 21162154), (2, 10581077), (13, 1627858), (26, 813929), (331, 63934), (662, 31967), (2459, 8606), (4303, 4918)]