21116031938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9109591}}^1$

素因数の和:9109673

約数の個数: 16

約数和(自身を含む): 33887682240

約数和(自身を除く): 12771650302

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9109591, 18219182, 173082229, 346164458, 555685051, 1111370102, 10558015969, 21116031938]

約数ペア:

[(1, 21116031938), (2, 10558015969), (19, 1111370102), (38, 555685051), (61, 346164458), (122, 173082229), (1159, 18219182), (2318, 9109591)]