21557096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12893}}^1$

素因数の和:12929

約数の個数: 32

約数和(自身を含む): 46418400

約数和(自身を除く): 24861304

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12893, 25786, 51572, 103144, 141823, 244967, 283646, 489934, 567292, 979868, 1134584, 1959736, 2694637, 5389274, 10778548, 21557096]

約数ペア:

[(1, 21557096), (2, 10778548), (4, 5389274), (8, 2694637), (11, 1959736), (19, 1134584), (22, 979868), (38, 567292), (44, 489934), (76, 283646), (88, 244967), (152, 141823), (209, 103144), (418, 51572), (836, 25786), (1672, 12893)]