21000968

素因数分解:

$2^3\times {\mathrm{1097}}^1\times {\mathrm{2393}}^1$

素因数の和:3496

約数の個数: 16

約数和(自身を含む): 39429180

約数和(自身を除く): 18428212

約数列:

[1, 2, 4, 8, 1097, 2194, 2393, 4388, 4786, 8776, 9572, 19144, 2625121, 5250242, 10500484, 21000968]

約数ペア:

[(1, 21000968), (2, 10500484), (4, 5250242), (8, 2625121), (1097, 19144), (2194, 9572), (2393, 8776), (4388, 4786)]