21141160

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^2$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 47633130

約数和(自身を除く): 26491970

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2908, 3635, 5816, 7270, 14540, 29080, 528529, 1057058, 2114116, 2642645, 4228232, 5285290, 10570580, 21141160]

約数ペア:

[(1, 21141160), (2, 10570580), (4, 5285290), (5, 4228232), (8, 2642645), (10, 2114116), (20, 1057058), (40, 528529), (727, 29080), (1454, 14540), (2908, 7270), (3635, 5816)]