21299794

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6343}}^1$

素因数の和:6441

約数の個数: 16

約数和(自身を含む): 33800832

約数和(自身を除く): 12501038

約数列:

[1, 2, 23, 46, 73, 146, 1679, 3358, 6343, 12686, 145889, 291778, 463039, 926078, 10649897, 21299794]

約数ペア:

[(1, 21299794), (2, 10649897), (23, 926078), (46, 463039), (73, 291778), (146, 145889), (1679, 12686), (3358, 6343)]