21024981

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{9857}}^1$

素因数の和:9945

約数の個数: 16

約数和(自身を含む): 31545600

約数和(自身を除く): 10520619

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 9857, 29571, 88713, 266139, 778703, 2336109, 7008327, 21024981]

約数ペア:

[(1, 21024981), (3, 7008327), (9, 2336109), (27, 778703), (79, 266139), (237, 88713), (711, 29571), (2133, 9857)]