21705146

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{491}}^1$

素因数の和:578

約数の個数: 24

約数和(自身を含む): 35176032

約数和(自身を除く): 13470886

約数列:

[1, 2, 23, 31, 46, 62, 491, 713, 961, 982, 1426, 1922, 11293, 15221, 22103, 22586, 30442, 44206, 350083, 471851, 700166, 943702, 10852573, 21705146]

約数ペア:

[(1, 21705146), (2, 10852573), (23, 943702), (31, 700166), (46, 471851), (62, 350083), (491, 44206), (713, 30442), (961, 22586), (982, 22103), (1426, 15221), (1922, 11293)]