21231070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13187}}^1$

素因数の和:13224

約数の個数: 32

約数和(自身を含む): 45577728

約数和(自身を除く): 24346658

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13187, 26374, 65935, 92309, 131870, 184618, 303301, 461545, 606602, 923090, 1516505, 2123107, 3033010, 4246214, 10615535, 21231070]

約数ペア:

[(1, 21231070), (2, 10615535), (5, 4246214), (7, 3033010), (10, 2123107), (14, 1516505), (23, 923090), (35, 606602), (46, 461545), (70, 303301), (115, 184618), (161, 131870), (230, 92309), (322, 65935), (805, 26374), (1610, 13187)]