21793023

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1804

約数の個数: 32

約数和(自身を含む): 37470720

約数和(自身を除く): 15677697

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1721, 1809, 4221, 5163, 12047, 12663, 15489, 36141, 46467, 108423, 115307, 325269, 345921, 807149, 1037763, 2421447, 3113289, 7264341, 21793023]

約数ペア:

[(1, 21793023), (3, 7264341), (7, 3113289), (9, 2421447), (21, 1037763), (27, 807149), (63, 345921), (67, 325269), (189, 115307), (201, 108423), (469, 46467), (603, 36141), (1407, 15489), (1721, 12663), (1809, 12047), (4221, 5163)]