21380114

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{17159}}^1$

素因数の和:17257

約数の個数: 16

約数和(自身を含む): 37065600

約数和(自身を除く): 15685486

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 17159, 34318, 120113, 240226, 1527151, 3054302, 10690057, 21380114]

約数ペア:

[(1, 21380114), (2, 10690057), (7, 3054302), (14, 1527151), (89, 240226), (178, 120113), (623, 34318), (1246, 17159)]