21051198

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55691}}^1$

素因数の和:55709

約数の個数: 32

約数和(自身を含む): 53464320

約数和(自身を除く): 32413122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55691, 111382, 167073, 334146, 389837, 501219, 779674, 1002438, 1169511, 1503657, 2339022, 3007314, 3508533, 7017066, 10525599, 21051198]

約数ペア:

[(1, 21051198), (2, 10525599), (3, 7017066), (6, 3508533), (7, 3007314), (9, 2339022), (14, 1503657), (18, 1169511), (21, 1002438), (27, 779674), (42, 501219), (54, 389837), (63, 334146), (126, 167073), (189, 111382), (378, 55691)]