20210253

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23473}}^1$

素因数の和:23524

約数の個数: 16

約数和(自身を含む): 31549056

約数和(自身を除く): 11338803

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23473, 70419, 164311, 492933, 962393, 2887179, 6736751, 20210253]

約数ペア:

[(1, 20210253), (3, 6736751), (7, 2887179), (21, 962393), (41, 492933), (123, 164311), (287, 70419), (861, 23473)]