21795844

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3257}}^1$

素因数の和:3507

約数の個数: 24

約数和(自身を含む): 43787520

約数和(自身を除く): 21991676

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3257, 3346, 6514, 6692, 13028, 22799, 45598, 91196, 778423, 1556846, 3113692, 5448961, 10897922, 21795844]

約数ペア:

[(1, 21795844), (2, 10897922), (4, 5448961), (7, 3113692), (14, 1556846), (28, 778423), (239, 91196), (478, 45598), (956, 22799), (1673, 13028), (3257, 6692), (3346, 6514)]