21704065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2389}}^1$

素因数の和:2496

約数の個数: 16

約数和(自身を含む): 27532800

約数和(自身を除く): 5828735

約数列:

[1, 5, 23, 79, 115, 395, 1817, 2389, 9085, 11945, 54947, 188731, 274735, 943655, 4340813, 21704065]

約数ペア:

[(1, 21704065), (5, 4340813), (23, 943655), (79, 274735), (115, 188731), (395, 54947), (1817, 11945), (2389, 9085)]