21831715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{829}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 27489600

約数和(自身を除く): 5657885

約数列:

[1, 5, 23, 115, 229, 829, 1145, 4145, 5267, 19067, 26335, 95335, 189841, 949205, 4366343, 21831715]

約数ペア:

[(1, 21831715), (5, 4366343), (23, 949205), (115, 189841), (229, 95335), (829, 26335), (1145, 19067), (4145, 5267)]