21044157

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4409}}^1$

素因数の和:4492

約数の個数: 16

約数和(自身を含む): 29494080

約数和(自身を除く): 8449923

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4409, 4773, 13227, 163133, 189587, 489399, 568761, 7014719, 21044157]

約数ペア:

[(1, 21044157), (3, 7014719), (37, 568761), (43, 489399), (111, 189587), (129, 163133), (1591, 13227), (4409, 4773)]