21523675

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 28413360

約数和(自身を除く): 6889685

約数列:

[1, 5, 19, 25, 95, 113, 401, 475, 565, 2005, 2147, 2825, 7619, 10025, 10735, 38095, 45313, 53675, 190475, 226565, 860947, 1132825, 4304735, 21523675]

約数ペア:

[(1, 21523675), (5, 4304735), (19, 1132825), (25, 860947), (95, 226565), (113, 190475), (401, 53675), (475, 45313), (565, 38095), (2005, 10735), (2147, 10025), (2825, 7619)]