20210773611

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6923869}}^1$

素因数の和:6924018

約数の個数: 16

約数和(自身を含む): 31018937600

約数和(自身を除く): 10808163989

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6923869, 20771607, 48467083, 145401249, 962417791, 2887253373, 6736924537, 20210773611]

約数ペア:

[(1, 20210773611), (3, 6736924537), (7, 2887253373), (21, 962417791), (139, 145401249), (417, 48467083), (973, 20771607), (2919, 6923869)]