21686536

素因数分解:

$2^3\times {\mathrm{757}}^1\times {\mathrm{3581}}^1$

素因数の和:4344

約数の個数: 16

約数和(自身を含む): 40727340

約数和(自身を除く): 19040804

約数列:

[1, 2, 4, 8, 757, 1514, 3028, 3581, 6056, 7162, 14324, 28648, 2710817, 5421634, 10843268, 21686536]

約数ペア:

[(1, 21686536), (2, 10843268), (4, 5421634), (8, 2710817), (757, 28648), (1514, 14324), (3028, 7162), (3581, 6056)]