21834659

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12329}}^1$

素因数の和:12370

約数の個数: 16

約数和(自身を含む): 28408320

約数和(自身を除く): 6573661

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12329, 86303, 135619, 283567, 949333, 1984969, 3119237, 21834659]

約数ペア:

[(1, 21834659), (7, 3119237), (11, 1984969), (23, 949333), (77, 283567), (161, 135619), (253, 86303), (1771, 12329)]