21401658

素因数分解:

$2^1\times 3^4\times {\mathrm{132109}}^1$

素因数の和:132123

約数の個数: 20

約数和(自身を含む): 47955930

約数和(自身を除く): 26554272

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 132109, 264218, 396327, 792654, 1188981, 2377962, 3566943, 7133886, 10700829, 21401658]

約数ペア:

[(1, 21401658), (2, 10700829), (3, 7133886), (6, 3566943), (9, 2377962), (18, 1188981), (27, 792654), (54, 396327), (81, 264218), (162, 132109)]