21556824

素因数分解:

$2^3\times 3^1\times {\mathrm{389}}^1\times {\mathrm{2309}}^1$

素因数の和:2707

約数の個数: 32

約数和(自身を含む): 54054000

約数和(自身を除く): 32497176

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 389, 778, 1167, 1556, 2309, 2334, 3112, 4618, 4668, 6927, 9236, 9336, 13854, 18472, 27708, 55416, 898201, 1796402, 2694603, 3592804, 5389206, 7185608, 10778412, 21556824]

約数ペア:

[(1, 21556824), (2, 10778412), (3, 7185608), (4, 5389206), (6, 3592804), (8, 2694603), (12, 1796402), (24, 898201), (389, 55416), (778, 27708), (1167, 18472), (1556, 13854), (2309, 9336), (2334, 9236), (3112, 6927), (4618, 4668)]