21677018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{11071}}^1$

素因数の和:11173

約数の個数: 16

約数和(自身を含む): 35873280

約数和(自身を除く): 14196262

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 11071, 22142, 121781, 243562, 985319, 1970638, 10838509, 21677018]

約数ペア:

[(1, 21677018), (2, 10838509), (11, 1970638), (22, 985319), (89, 243562), (178, 121781), (979, 22142), (1958, 11071)]