21828010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75269}}^1$

素因数の和:75305

約数の個数: 16

約数和(自身を含む): 40645800

約数和(自身を除く): 18817790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 75269, 150538, 376345, 752690, 2182801, 4365602, 10914005, 21828010]

約数ペア:

[(1, 21828010), (2, 10914005), (5, 4365602), (10, 2182801), (29, 752690), (58, 376345), (145, 150538), (290, 75269)]