21880451642

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82257337}}^1$

素因数の和:82257365

約数の個数: 16

約数和(自身を含む): 39483522240

約数和(自身を除く): 17603070598

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 82257337, 164514674, 575801359, 1151602718, 1562889403, 3125778806, 10940225821, 21880451642]

約数ペア:

[(1, 21880451642), (2, 10940225821), (7, 3125778806), (14, 1562889403), (19, 1151602718), (38, 575801359), (133, 164514674), (266, 82257337)]