21135188

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1193}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 38246208

約数和(自身を除く): 17111020

約数列:

[1, 2, 4, 43, 86, 103, 172, 206, 412, 1193, 2386, 4429, 4772, 8858, 17716, 51299, 102598, 122879, 205196, 245758, 491516, 5283797, 10567594, 21135188]

約数ペア:

[(1, 21135188), (2, 10567594), (4, 5283797), (43, 491516), (86, 245758), (103, 205196), (172, 122879), (206, 102598), (412, 51299), (1193, 17716), (2386, 8858), (4429, 4772)]