21048524

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3371}}^1$

素因数の和:3605

約数の個数: 24

約数和(自身を含む): 42298368

約数和(自身を除く): 21249844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 3371, 6244, 6742, 13484, 23597, 47194, 94388, 751733, 1503466, 3006932, 5262131, 10524262, 21048524]

約数ペア:

[(1, 21048524), (2, 10524262), (4, 5262131), (7, 3006932), (14, 1503466), (28, 751733), (223, 94388), (446, 47194), (892, 23597), (1561, 13484), (3122, 6742), (3371, 6244)]