21433960

素因数分解:

$2^3\times 5^1\times {\mathrm{535849}}^1$

素因数の和:535860

約数の個数: 16

約数和(自身を含む): 48226500

約数和(自身を除く): 26792540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535849, 1071698, 2143396, 2679245, 4286792, 5358490, 10716980, 21433960]

約数ペア:

[(1, 21433960), (2, 10716980), (4, 5358490), (5, 4286792), (8, 2679245), (10, 2143396), (20, 1071698), (40, 535849)]