21001010

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44683}}^1$

素因数の和:44737

約数の個数: 16

約数和(自身を含む): 38606976

約数和(自身を除く): 17605966

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44683, 89366, 223415, 446830, 2100101, 4200202, 10500505, 21001010]

約数ペア:

[(1, 21001010), (2, 10500505), (5, 4200202), (10, 2100101), (47, 446830), (94, 223415), (235, 89366), (470, 44683)]