21432935

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2609}}^1$

素因数の和:2698

約数の個数: 16

約数和(自身を含む): 27060480

約数和(自身を除く): 5627545

約数列:

[1, 5, 31, 53, 155, 265, 1643, 2609, 8215, 13045, 80879, 138277, 404395, 691385, 4286587, 21432935]

約数ペア:

[(1, 21432935), (5, 4286587), (31, 691385), (53, 404395), (155, 138277), (265, 80879), (1643, 13045), (2609, 8215)]