20210421

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87491}}^1$

素因数の和:87512

約数の個数: 16

約数和(自身を含む): 33596928

約数和(自身を除く): 13386507

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87491, 262473, 612437, 962401, 1837311, 2887203, 6736807, 20210421]

約数ペア:

[(1, 20210421), (3, 6736807), (7, 2887203), (11, 1837311), (21, 962401), (33, 612437), (77, 262473), (231, 87491)]