21486626

素因数分解:

$2^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{2267}}^1$

素因数の和:2953

約数の個数: 16

約数和(自身を含む): 36904896

約数和(自身を除く): 15418270

約数列:

[1, 2, 7, 14, 677, 1354, 2267, 4534, 4739, 9478, 15869, 31738, 1534759, 3069518, 10743313, 21486626]

約数ペア:

[(1, 21486626), (2, 10743313), (7, 3069518), (14, 1534759), (677, 31738), (1354, 15869), (2267, 9478), (4534, 4739)]