21031396038

素因数分解:

$2^1\times 3^3\times {\mathrm{2473}}^1\times {\mathrm{157489}}^1$

素因数の和:159973

約数の個数: 32

約数和(自身を含む): 46755631200

約数和(自身を除く): 25724235162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2473, 4946, 7419, 14838, 22257, 44514, 66771, 133542, 157489, 314978, 472467, 944934, 1417401, 2834802, 4252203, 8504406, 389470297, 778940594, 1168410891, 2336821782, 3505232673, 7010465346, 10515698019, 21031396038]

約数ペア:

[(1, 21031396038), (2, 10515698019), (3, 7010465346), (6, 3505232673), (9, 2336821782), (18, 1168410891), (27, 778940594), (54, 389470297), (2473, 8504406), (4946, 4252203), (7419, 2834802), (14838, 1417401), (22257, 944934), (44514, 472467), (66771, 314978), (133542, 157489)]