21040346

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{859}}^1$

素因数の和:1229

約数の個数: 16

約数和(自身を含む): 32549280

約数和(自身を除く): 11508934

約数列:

[1, 2, 37, 74, 331, 662, 859, 1718, 12247, 24494, 31783, 63566, 284329, 568658, 10520173, 21040346]

約数ペア:

[(1, 21040346), (2, 10520173), (37, 568658), (74, 284329), (331, 63566), (662, 31783), (859, 24494), (1718, 12247)]