21933723

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 36837504

約数和(自身を除く): 14903781

約数列:

[1, 3, 7, 17, 21, 49, 51, 67, 119, 131, 147, 201, 357, 393, 469, 833, 917, 1139, 1407, 2227, 2499, 2751, 3283, 3417, 6419, 6681, 7973, 8777, 9849, 15589, 19257, 23919, 26331, 46767, 55811, 61439, 109123, 149209, 167433, 184317, 327369, 430073, 447627, 1044463, 1290219, 3133389, 7311241, 21933723]

約数ペア:

[(1, 21933723), (3, 7311241), (7, 3133389), (17, 1290219), (21, 1044463), (49, 447627), (51, 430073), (67, 327369), (119, 184317), (131, 167433), (147, 149209), (201, 109123), (357, 61439), (393, 55811), (469, 46767), (833, 26331), (917, 23919), (1139, 19257), (1407, 15589), (2227, 9849), (2499, 8777), (2751, 7973), (3283, 6681), (3417, 6419)]