21146498

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1297

約数の個数: 16

約数和(自身を含む): 32431104

約数和(自身を除く): 11284606

約数列:

[1, 2, 71, 137, 142, 274, 1087, 2174, 9727, 19454, 77177, 148919, 154354, 297838, 10573249, 21146498]

約数ペア:

[(1, 21146498), (2, 10573249), (71, 297838), (137, 154354), (142, 148919), (274, 77177), (1087, 19454), (2174, 9727)]