21968254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4919}}^1$

素因数の和:4968

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 20540546

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 4919, 9838, 34433, 54109, 68866, 108218, 142651, 285302, 378763, 757526, 998557, 1569161, 1997114, 3138322, 10984127, 21968254]

約数ペア:

[(1, 21968254), (2, 10984127), (7, 3138322), (11, 1997114), (14, 1569161), (22, 998557), (29, 757526), (58, 378763), (77, 285302), (154, 142651), (203, 108218), (319, 68866), (406, 54109), (638, 34433), (2233, 9838), (4466, 4919)]