21834478

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4243}}^1$

素因数の和:4359

約数の個数: 16

約数和(自身を含む): 34223616

約数和(自身を除く): 12389138

約数列:

[1, 2, 31, 62, 83, 166, 2573, 4243, 5146, 8486, 131533, 263066, 352169, 704338, 10917239, 21834478]

約数ペア:

[(1, 21834478), (2, 10917239), (31, 704338), (62, 352169), (83, 263066), (166, 131533), (2573, 8486), (4243, 5146)]