21633997

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1471}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 27131904

約数和(自身を除く): 5497907

約数列:

[1, 7, 11, 77, 191, 1337, 1471, 2101, 10297, 14707, 16181, 113267, 280961, 1966727, 3090571, 21633997]

約数ペア:

[(1, 21633997), (7, 3090571), (11, 1966727), (77, 280961), (191, 113267), (1337, 16181), (1471, 14707), (2101, 10297)]