21027384

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13907}}^1$

素因数の和:13929

約数の個数: 64

約数和(自身を含む): 66758400

約数和(自身を除く): 45731016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13907, 27814, 41721, 55628, 83442, 97349, 111256, 125163, 166884, 194698, 250326, 292047, 333768, 375489, 389396, 500652, 584094, 750978, 778792, 876141, 1001304, 1168188, 1501956, 1752282, 2336376, 2628423, 3003912, 3504564, 5256846, 7009128, 10513692, 21027384]

約数ペア:

[(1, 21027384), (2, 10513692), (3, 7009128), (4, 5256846), (6, 3504564), (7, 3003912), (8, 2628423), (9, 2336376), (12, 1752282), (14, 1501956), (18, 1168188), (21, 1001304), (24, 876141), (27, 778792), (28, 750978), (36, 584094), (42, 500652), (54, 389396), (56, 375489), (63, 333768), (72, 292047), (84, 250326), (108, 194698), (126, 166884), (168, 125163), (189, 111256), (216, 97349), (252, 83442), (378, 55628), (504, 41721), (756, 27814), (1512, 13907)]