21764757579

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{445169}}^1$

素因数の和:445594

約数の個数: 16

約数和(自身を含む): 29772969600

約数和(自身を除く): 8008212021

約数列:

[1, 3, 43, 129, 379, 1137, 16297, 48891, 445169, 1335507, 19142267, 57426801, 168719051, 506157153, 7254919193, 21764757579]

約数ペア:

[(1, 21764757579), (3, 7254919193), (43, 506157153), (129, 168719051), (379, 57426801), (1137, 19142267), (16297, 1335507), (48891, 445169)]