21744490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 40960080

約数和(自身を除く): 19215590

約数列:

[1, 2, 5, 10, 29, 58, 97, 145, 194, 290, 485, 773, 970, 1546, 2813, 3865, 5626, 7730, 14065, 22417, 28130, 44834, 74981, 112085, 149962, 224170, 374905, 749810, 2174449, 4348898, 10872245, 21744490]

約数ペア:

[(1, 21744490), (2, 10872245), (5, 4348898), (10, 2174449), (29, 749810), (58, 374905), (97, 224170), (145, 149962), (194, 112085), (290, 74981), (485, 44834), (773, 28130), (970, 22417), (1546, 14065), (2813, 7730), (3865, 5626)]