21129065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{587}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 26587008

約数和(自身を除く): 5457943

約数列:

[1, 5, 23, 115, 313, 587, 1565, 2935, 7199, 13501, 35995, 67505, 183731, 918655, 4225813, 21129065]

約数ペア:

[(1, 21129065), (5, 4225813), (23, 918655), (115, 183731), (313, 67505), (587, 35995), (1565, 13501), (2935, 7199)]