21917675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3967}}^1$

素因数の和:4007

約数の個数: 24

約数和(自身を含む): 30998016

約数和(自身を除く): 9080341

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3967, 5525, 19835, 51571, 67439, 99175, 257855, 337195, 876707, 1289275, 1685975, 4383535, 21917675]

約数ペア:

[(1, 21917675), (5, 4383535), (13, 1685975), (17, 1289275), (25, 876707), (65, 337195), (85, 257855), (221, 99175), (325, 67439), (425, 51571), (1105, 19835), (3967, 5525)]