21430450

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3793}}^1$

素因数の和:3918

約数の個数: 24

約数和(自身を含む): 40223988

約数和(自身を除く): 18793538

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3793, 5650, 7586, 18965, 37930, 94825, 189650, 428609, 857218, 2143045, 4286090, 10715225, 21430450]

約数ペア:

[(1, 21430450), (2, 10715225), (5, 4286090), (10, 2143045), (25, 857218), (50, 428609), (113, 189650), (226, 94825), (565, 37930), (1130, 18965), (2825, 7586), (3793, 5650)]