21213138

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{52769}}^1$

素因数の和:52841

約数の個数: 16

約数和(自身を含む): 43060320

約数和(自身を除く): 21847182

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 52769, 105538, 158307, 316614, 3535523, 7071046, 10606569, 21213138]

約数ペア:

[(1, 21213138), (2, 10606569), (3, 7071046), (6, 3535523), (67, 316614), (134, 158307), (201, 105538), (402, 52769)]