21348316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{887}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 40876416

約数和(自身を除く): 19528100

約数列:

[1, 2, 4, 11, 22, 44, 547, 887, 1094, 1774, 2188, 3548, 6017, 9757, 12034, 19514, 24068, 39028, 485189, 970378, 1940756, 5337079, 10674158, 21348316]

約数ペア:

[(1, 21348316), (2, 10674158), (4, 5337079), (11, 1940756), (22, 970378), (44, 485189), (547, 39028), (887, 24068), (1094, 19514), (1774, 12034), (2188, 9757), (3548, 6017)]