22221771

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 37269792

約数和(自身を除く): 15048021

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 187, 221, 277, 363, 429, 561, 663, 831, 1573, 2057, 2431, 3047, 3601, 4709, 4719, 6171, 7293, 9141, 10803, 14127, 26741, 33517, 39611, 51799, 61217, 80223, 100551, 118833, 155397, 183651, 435721, 569789, 673387, 1307163, 1709367, 2020161, 7407257, 22221771]

約数ペア:

[(1, 22221771), (3, 7407257), (11, 2020161), (13, 1709367), (17, 1307163), (33, 673387), (39, 569789), (51, 435721), (121, 183651), (143, 155397), (187, 118833), (221, 100551), (277, 80223), (363, 61217), (429, 51799), (561, 39611), (663, 33517), (831, 26741), (1573, 14127), (2057, 10803), (2431, 9141), (3047, 7293), (3601, 6171), (4709, 4719)]