21557646

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{108877}}^1$

素因数の和:108896

約数の個数: 24

約数和(自身を含む): 50954904

約数和(自身を除く): 29397258

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 108877, 217754, 326631, 653262, 979893, 1197647, 1959786, 2395294, 3592941, 7185882, 10778823, 21557646]

約数ペア:

[(1, 21557646), (2, 10778823), (3, 7185882), (6, 3592941), (9, 2395294), (11, 1959786), (18, 1197647), (22, 979893), (33, 653262), (66, 326631), (99, 217754), (198, 108877)]