21825910

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16661}}^1$

素因数の和:16799

約数の個数: 16

約数和(自身を含む): 39588912

約数和(自身を除く): 17763002

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 16661, 33322, 83305, 166610, 2182591, 4365182, 10912955, 21825910]

約数ペア:

[(1, 21825910), (2, 10912955), (5, 4365182), (10, 2182591), (131, 166610), (262, 83305), (655, 33322), (1310, 16661)]