21651612

素因数分解:

$2^2\times 3^1\times {\mathrm{281}}^1\times {\mathrm{6421}}^1$

素因数の和:6709

約数の個数: 24

約数和(自身を含む): 50708112

約数和(自身を除く): 29056500

約数列:

[1, 2, 3, 4, 6, 12, 281, 562, 843, 1124, 1686, 3372, 6421, 12842, 19263, 25684, 38526, 77052, 1804301, 3608602, 5412903, 7217204, 10825806, 21651612]

約数ペア:

[(1, 21651612), (2, 10825806), (3, 7217204), (4, 5412903), (6, 3608602), (12, 1804301), (281, 77052), (562, 38526), (843, 25684), (1124, 19263), (1686, 12842), (3372, 6421)]