20210938671

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7953931}}^1$

素因数の和:7953963

約数の個数: 24

約数和(自身を含む): 33851934592

約数和(自身を除く): 13640995921

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7953931, 23861793, 55677517, 87493241, 167032551, 262479723, 612452687, 962425651, 1837358061, 2887276953, 6736979557, 20210938671]

約数ペア:

[(1, 20210938671), (3, 6736979557), (7, 2887276953), (11, 1837358061), (21, 962425651), (33, 612452687), (77, 262479723), (121, 167032551), (231, 87493241), (363, 55677517), (847, 23861793), (2541, 7953931)]