21883869

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4397}}^1$

素因数の和:4489

約数の個数: 24

約数和(自身を含む): 36591360

約数和(自身を除く): 14707491

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4397, 4977, 13191, 30779, 39573, 92337, 277011, 347363, 1042089, 2431541, 3126267, 7294623, 21883869]

約数ペア:

[(1, 21883869), (3, 7294623), (7, 3126267), (9, 2431541), (21, 1042089), (63, 347363), (79, 277011), (237, 92337), (553, 39573), (711, 30779), (1659, 13191), (4397, 4977)]