21340389

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 36312192

約数和(自身を除く): 14971803

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 113, 119, 161, 339, 357, 391, 483, 529, 791, 1173, 1587, 1921, 2373, 2599, 2737, 3703, 5763, 7797, 8211, 8993, 11109, 13447, 18193, 26979, 40341, 44183, 54579, 59777, 62951, 132549, 179331, 188853, 309281, 418439, 927843, 1016209, 1255317, 3048627, 7113463, 21340389]

約数ペア:

[(1, 21340389), (3, 7113463), (7, 3048627), (17, 1255317), (21, 1016209), (23, 927843), (51, 418439), (69, 309281), (113, 188853), (119, 179331), (161, 132549), (339, 62951), (357, 59777), (391, 54579), (483, 44183), (529, 40341), (791, 26979), (1173, 18193), (1587, 13447), (1921, 11109), (2373, 8993), (2599, 8211), (2737, 7797), (3703, 5763)]