22128428

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11131}}^1$

素因数の和:11213

約数の個数: 24

約数和(自身を含む): 44884224

約数和(自身を除く): 22755796

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 11131, 22262, 44524, 77917, 155834, 311668, 790301, 1580602, 3161204, 5532107, 11064214, 22128428]

約数ペア:

[(1, 22128428), (2, 11064214), (4, 5532107), (7, 3161204), (14, 1580602), (28, 790301), (71, 311668), (142, 155834), (284, 77917), (497, 44524), (994, 22262), (1988, 11131)]