21037335

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2161}}^1$

素因数の和:2239

約数の個数: 32

約数和(自身を含む): 37359360

約数和(自身を除く): 16322025

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 165, 177, 295, 649, 885, 1947, 2161, 3245, 6483, 9735, 10805, 23771, 32415, 71313, 118855, 127499, 356565, 382497, 637495, 1402489, 1912485, 4207467, 7012445, 21037335]

約数ペア:

[(1, 21037335), (3, 7012445), (5, 4207467), (11, 1912485), (15, 1402489), (33, 637495), (55, 382497), (59, 356565), (165, 127499), (177, 118855), (295, 71313), (649, 32415), (885, 23771), (1947, 10805), (2161, 9735), (3245, 6483)]