21756554901

素因数分解:

$3^2\times {\mathrm{7451}}^1\times {\mathrm{324439}}^1$

素因数の和:331896

約数の個数: 12

約数和(自身を含む): 31430449440

約数和(自身を除く): 9673894539

約数列:

[1, 3, 9, 7451, 22353, 67059, 324439, 973317, 2919951, 2417394989, 7252184967, 21756554901]

約数ペア:

[(1, 21756554901), (3, 7252184967), (9, 2417394989), (7451, 2919951), (22353, 973317), (67059, 324439)]