21381083425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1117}}^1\times {\mathrm{58897}}^1$

素因数の和:60037

約数の個数: 24

約数和(自身を含む): 28578016376

約数和(自身を除く): 7196932951

約数列:

[1, 5, 13, 25, 65, 325, 1117, 5585, 14521, 27925, 58897, 72605, 294485, 363025, 765661, 1472425, 3828305, 19141525, 65787949, 328939745, 855243337, 1644698725, 4276216685, 21381083425]

約数ペア:

[(1, 21381083425), (5, 4276216685), (13, 1644698725), (25, 855243337), (65, 328939745), (325, 65787949), (1117, 19141525), (5585, 3828305), (14521, 1472425), (27925, 765661), (58897, 363025), (72605, 294485)]