21124341

素因数分解:

$3^3\times 7^3\times {\mathrm{2281}}^1$

素因数の和:2311

約数の個数: 32

約数和(自身を含む): 36512000

約数和(自身を除く): 15387659

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2281, 3087, 6843, 9261, 15967, 20529, 47901, 61587, 111769, 143703, 335307, 431109, 782383, 1005921, 2347149, 3017763, 7041447, 21124341]

約数ペア:

[(1, 21124341), (3, 7041447), (7, 3017763), (9, 2347149), (21, 1005921), (27, 782383), (49, 431109), (63, 335307), (147, 143703), (189, 111769), (343, 61587), (441, 47901), (1029, 20529), (1323, 15967), (2281, 9261), (3087, 6843)]