21105322

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 37210752

約数和(自身を除く): 16105430

約数列:

[1, 2, 7, 14, 73, 107, 146, 193, 214, 386, 511, 749, 1022, 1351, 1498, 2702, 7811, 14089, 15622, 20651, 28178, 41302, 54677, 98623, 109354, 144557, 197246, 289114, 1507523, 3015046, 10552661, 21105322]

約数ペア:

[(1, 21105322), (2, 10552661), (7, 3015046), (14, 1507523), (73, 289114), (107, 197246), (146, 144557), (193, 109354), (214, 98623), (386, 54677), (511, 41302), (749, 28178), (1022, 20651), (1351, 15622), (1498, 14089), (2702, 7811)]