21614165

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 26716800

約数和(自身を除く): 5102635

約数列:

[1, 5, 43, 215, 229, 439, 1145, 2195, 9847, 18877, 49235, 94385, 100531, 502655, 4322833, 21614165]

約数ペア:

[(1, 21614165), (5, 4322833), (43, 502655), (215, 100531), (229, 94385), (439, 49235), (1145, 18877), (2195, 9847)]