21557226

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{87631}}^1$

素因数の和:87677

約数の個数: 16

約数和(自身を含む): 44166528

約数和(自身を除く): 22609302

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 87631, 175262, 262893, 525786, 3592871, 7185742, 10778613, 21557226]

約数ペア:

[(1, 21557226), (2, 10778613), (3, 7185742), (6, 3592871), (41, 525786), (82, 262893), (123, 175262), (246, 87631)]