21939764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71233}}^1$

素因数の和:71255

約数の個数: 24

約数和(自身を含む): 47869248

約数和(自身を除く): 25929484

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 71233, 142466, 284932, 498631, 783563, 997262, 1567126, 1994524, 3134252, 5484941, 10969882, 21939764]

約数ペア:

[(1, 21939764), (2, 10969882), (4, 5484941), (7, 3134252), (11, 1994524), (14, 1567126), (22, 997262), (28, 783563), (44, 498631), (77, 284932), (154, 142466), (308, 71233)]