21031639202

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51802067}}^1$

素因数の和:51802105

約数の個数: 16

約数和(自身を含む): 37297488960

約数和(自身を除く): 16265849758

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51802067, 103604134, 362614469, 725228938, 1502259943, 3004519886, 10515819601, 21031639202]

約数ペア:

[(1, 21031639202), (2, 10515819601), (7, 3004519886), (14, 1502259943), (29, 725228938), (58, 362614469), (203, 103604134), (406, 51802067)]