21790274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{10211}}^1$

素因数の和:10321

約数の個数: 16

約数和(自身を含む): 36027936

約数和(自身を除く): 14237662

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 10211, 20422, 112321, 224642, 990467, 1980934, 10895137, 21790274]

約数ペア:

[(1, 21790274), (2, 10895137), (11, 1980934), (22, 990467), (97, 224642), (194, 112321), (1067, 20422), (2134, 10211)]