21542056

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65677}}^1$

素因数の和:65724

約数の個数: 16

約数和(自身を含む): 41377140

約数和(自身を除く): 19835084

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65677, 131354, 262708, 525416, 2692757, 5385514, 10771028, 21542056]

約数ペア:

[(1, 21542056), (2, 10771028), (4, 5385514), (8, 2692757), (41, 525416), (82, 262708), (164, 131354), (328, 65677)]