21475398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4691}}^1$

素因数の和:4812

約数の個数: 32

約数和(自身を含む): 49547520

約数和(自身を除く): 28072122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4578, 4691, 9382, 14073, 28146, 32837, 65674, 98511, 197022, 511319, 1022638, 1533957, 3067914, 3579233, 7158466, 10737699, 21475398]

約数ペア:

[(1, 21475398), (2, 10737699), (3, 7158466), (6, 3579233), (7, 3067914), (14, 1533957), (21, 1022638), (42, 511319), (109, 197022), (218, 98511), (327, 65674), (654, 32837), (763, 28146), (1526, 14073), (2289, 9382), (4578, 4691)]