21862059

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 29702400

約数和(自身を除く): 7840341

約数列:

[1, 3, 103, 139, 309, 417, 509, 1527, 14317, 42951, 52427, 70751, 157281, 212253, 7287353, 21862059]

約数ペア:

[(1, 21862059), (3, 7287353), (103, 212253), (139, 157281), (309, 70751), (417, 52427), (509, 42951), (1527, 14317)]