21000260015

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2316631}}^1$

素因数の和:2316687

約数の個数: 24

約数和(自身を含む): 30106949472

約数和(自身を除く): 9106689457

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 1295, 1813, 9065, 2316631, 11583155, 16216417, 81082085, 85715347, 113514919, 428576735, 567574595, 600007429, 3000037145, 4200052003, 21000260015]

約数ペア:

[(1, 21000260015), (5, 4200052003), (7, 3000037145), (35, 600007429), (37, 567574595), (49, 428576735), (185, 113514919), (245, 85715347), (259, 81082085), (1295, 16216417), (1813, 11583155), (9065, 2316631)]