21802135

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 26790912

約数和(自身を除く): 4988777

約数列:

[1, 5, 67, 151, 335, 431, 755, 2155, 10117, 28877, 50585, 65081, 144385, 325405, 4360427, 21802135]

約数ペア:

[(1, 21802135), (5, 4360427), (67, 325405), (151, 144385), (335, 65081), (431, 50585), (755, 28877), (2155, 10117)]