21795010

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11411}}^1$

素因数の和:11609

約数の個数: 16

約数和(自身を含む): 39439872

約数和(自身を除く): 17644862

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 11411, 22822, 57055, 114110, 2179501, 4359002, 10897505, 21795010]

約数ペア:

[(1, 21795010), (2, 10897505), (5, 4359002), (10, 2179501), (191, 114110), (382, 57055), (955, 22822), (1910, 11411)]