21322587

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 34868736

約数和(自身を除く): 13546149

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 2161, 3289, 6483, 9867, 23771, 28093, 49703, 71313, 84279, 149109, 309023, 546733, 646139, 927069, 1640199, 1938417, 7107529, 21322587]

約数ペア:

[(1, 21322587), (3, 7107529), (11, 1938417), (13, 1640199), (23, 927069), (33, 646139), (39, 546733), (69, 309023), (143, 149109), (253, 84279), (299, 71313), (429, 49703), (759, 28093), (897, 23771), (2161, 9867), (3289, 6483)]