21441651

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{92821}}^1$

素因数の和:92842

約数の個数: 16

約数和(自身を含む): 35643648

約数和(自身を除く): 14201997

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 92821, 278463, 649747, 1021031, 1949241, 3063093, 7147217, 21441651]

約数ペア:

[(1, 21441651), (3, 7147217), (7, 3063093), (11, 1949241), (21, 1021031), (33, 649747), (77, 278463), (231, 92821)]