21675572

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2609}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 39755520

約数和(自身を除く): 18079948

約数列:

[1, 2, 4, 31, 62, 67, 124, 134, 268, 2077, 2609, 4154, 5218, 8308, 10436, 80879, 161758, 174803, 323516, 349606, 699212, 5418893, 10837786, 21675572]

約数ペア:

[(1, 21675572), (2, 10837786), (4, 5418893), (31, 699212), (62, 349606), (67, 323516), (124, 174803), (134, 161758), (268, 80879), (2077, 10436), (2609, 8308), (4154, 5218)]