21379653

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{13421}}^1$

素因数の和:13489

約数の個数: 16

約数和(自身を含む): 32212800

約数和(自身を除く): 10833147

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 13421, 40263, 120789, 362367, 791839, 2375517, 7126551, 21379653]

約数ペア:

[(1, 21379653), (3, 7126551), (9, 2375517), (27, 791839), (59, 362367), (177, 120789), (531, 40263), (1593, 13421)]