21363575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 27825600

約数和(自身を除く): 6462025

約数列:

[1, 5, 25, 29, 79, 145, 373, 395, 725, 1865, 1975, 2291, 9325, 10817, 11455, 29467, 54085, 57275, 147335, 270425, 736675, 854543, 4272715, 21363575]

約数ペア:

[(1, 21363575), (5, 4272715), (25, 854543), (29, 736675), (79, 270425), (145, 147335), (373, 57275), (395, 54085), (725, 29467), (1865, 11455), (1975, 10817), (2291, 9325)]