21733881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 10780167

約数列:

[1, 3, 13, 39, 47, 71, 141, 167, 213, 501, 611, 923, 1833, 2171, 2769, 3337, 6513, 7849, 10011, 11857, 23547, 35571, 43381, 102037, 130143, 154141, 306111, 462423, 557279, 1671837, 7244627, 21733881]

約数ペア:

[(1, 21733881), (3, 7244627), (13, 1671837), (39, 557279), (47, 462423), (71, 306111), (141, 154141), (167, 130143), (213, 102037), (501, 43381), (611, 35571), (923, 23547), (1833, 11857), (2171, 10011), (2769, 7849), (3337, 6513)]