21300937

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 26338560

約数和(自身を除く): 5037623

約数列:

[1, 7, 31, 37, 49, 217, 259, 379, 1147, 1519, 1813, 2653, 8029, 11749, 14023, 18571, 56203, 82243, 98161, 434713, 575701, 687127, 3042991, 21300937]

約数ペア:

[(1, 21300937), (7, 3042991), (31, 687127), (37, 575701), (49, 434713), (217, 98161), (259, 82243), (379, 56203), (1147, 18571), (1519, 14023), (1813, 11749), (2653, 8029)]