21941618

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{7309}}^1$

素因数の和:7409

約数の個数: 16

約数和(自身を含む): 35088000

約数和(自身を除く): 13146382

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 7309, 14618, 138871, 277742, 577411, 1154822, 10970809, 21941618]

約数ペア:

[(1, 21941618), (2, 10970809), (19, 1154822), (38, 577411), (79, 277742), (158, 138871), (1501, 14618), (3002, 7309)]