21119186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8807}}^1$

素因数の和:8929

約数の個数: 16

約数和(自身を含む): 34879680

約数和(自身を除く): 13760494

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8807, 17614, 96877, 193754, 959963, 1919926, 10559593, 21119186]

約数ペア:

[(1, 21119186), (2, 10559593), (11, 1919926), (22, 959963), (109, 193754), (218, 96877), (1199, 17614), (2398, 8807)]