21117906

素因数分解:

$2^1\times 3^2\times {\mathrm{317}}^1\times {\mathrm{3701}}^1$

素因数の和:4026

約数の個数: 24

約数和(自身を含む): 45912204

約数和(自身を除く): 24794298

約数列:

[1, 2, 3, 6, 9, 18, 317, 634, 951, 1902, 2853, 3701, 5706, 7402, 11103, 22206, 33309, 66618, 1173217, 2346434, 3519651, 7039302, 10558953, 21117906]

約数ペア:

[(1, 21117906), (2, 10558953), (3, 7039302), (6, 3519651), (9, 2346434), (18, 1173217), (317, 66618), (634, 33309), (951, 22206), (1902, 11103), (2853, 7402), (3701, 5706)]