21934100

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:956

約数の個数: 36

約数和(自身を含む): 47801628

約数和(自身を除く): 25867528

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 521, 842, 1042, 1684, 2084, 2105, 2605, 4210, 5210, 8420, 10420, 10525, 13025, 21050, 26050, 42100, 52100, 219341, 438682, 877364, 1096705, 2193410, 4386820, 5483525, 10967050, 21934100]

約数ペア:

[(1, 21934100), (2, 10967050), (4, 5483525), (5, 4386820), (10, 2193410), (20, 1096705), (25, 877364), (50, 438682), (100, 219341), (421, 52100), (521, 42100), (842, 26050), (1042, 21050), (1684, 13025), (2084, 10525), (2105, 10420), (2605, 8420), (4210, 5210)]