21615535

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1559}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 5341265

約数列:

[1, 5, 47, 59, 235, 295, 1559, 2773, 7795, 13865, 73273, 91981, 366365, 459905, 4323107, 21615535]

約数ペア:

[(1, 21615535), (5, 4323107), (47, 459905), (59, 366365), (235, 91981), (295, 73273), (1559, 13865), (2773, 7795)]