21107151

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 33218640

約数和(自身を除く): 12111489

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 2027, 3471, 6081, 10413, 18243, 26351, 79053, 180403, 237159, 541209, 1623627, 2345239, 7035717, 21107151]

約数ペア:

[(1, 21107151), (3, 7035717), (9, 2345239), (13, 1623627), (39, 541209), (89, 237159), (117, 180403), (267, 79053), (801, 26351), (1157, 18243), (2027, 10413), (3471, 6081)]