21339812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21599}}^1$

素因数の和:21635

約数の個数: 24

約数和(自身を含む): 42336000

約数和(自身を除く): 20996188

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21599, 43198, 86396, 280787, 410381, 561574, 820762, 1123148, 1641524, 5334953, 10669906, 21339812]

約数ペア:

[(1, 21339812), (2, 10669906), (4, 5334953), (13, 1641524), (19, 1123148), (26, 820762), (38, 561574), (52, 410381), (76, 280787), (247, 86396), (494, 43198), (988, 21599)]