2157562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1085

約数の個数: 16

約数和(自身を含む): 3569184

約数和(自身を除く): 1411622

約数列:

[1, 2, 11, 22, 101, 202, 971, 1111, 1942, 2222, 10681, 21362, 98071, 196142, 1078781, 2157562]

約数ペア:

[(1, 2157562), (2, 1078781), (11, 196142), (22, 98071), (101, 21362), (202, 10681), (971, 2222), (1111, 1942)]