21261002

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7481}}^1$

素因数の和:7526

約数の個数: 24

約数和(自身を含む): 38382660

約数和(自身を除く): 17121658

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7481, 14962, 52367, 104734, 216949, 366569, 433898, 733138, 1518643, 3037286, 10630501, 21261002]

約数ペア:

[(1, 21261002), (2, 10630501), (7, 3037286), (14, 1518643), (29, 733138), (49, 433898), (58, 366569), (98, 216949), (203, 104734), (406, 52367), (1421, 14962), (2842, 7481)]