21608450

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3299}}^1$

素因数の和:3442

約数の個数: 24

約数和(自身を含む): 40510800

約数和(自身を除く): 18902350

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 3275, 3299, 6550, 6598, 16495, 32990, 82475, 164950, 432169, 864338, 2160845, 4321690, 10804225, 21608450]

約数ペア:

[(1, 21608450), (2, 10804225), (5, 4321690), (10, 2160845), (25, 864338), (50, 432169), (131, 164950), (262, 82475), (655, 32990), (1310, 16495), (3275, 6598), (3299, 6550)]