21290796

素因数分解:

$2^2\times 3^3\times {\mathrm{197137}}^1$

素因数の和:197150

約数の個数: 24

約数和(自身を含む): 55198640

約数和(自身を除く): 33907844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197137, 394274, 591411, 788548, 1182822, 1774233, 2365644, 3548466, 5322699, 7096932, 10645398, 21290796]

約数ペア:

[(1, 21290796), (2, 10645398), (3, 7096932), (4, 5322699), (6, 3548466), (9, 2365644), (12, 1774233), (18, 1182822), (27, 788548), (36, 591411), (54, 394274), (108, 197137)]