21305590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5449}}^1$

素因数の和:5496

約数の個数: 32

約数和(自身を含む): 42379200

約数和(自身を除く): 21073610

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5449, 10898, 27245, 54490, 92633, 125327, 185266, 250654, 463165, 626635, 926330, 1253270, 2130559, 4261118, 10652795, 21305590]

約数ペア:

[(1, 21305590), (2, 10652795), (5, 4261118), (10, 2130559), (17, 1253270), (23, 926330), (34, 626635), (46, 463165), (85, 250654), (115, 185266), (170, 125327), (230, 92633), (391, 54490), (782, 27245), (1955, 10898), (3910, 5449)]