21393288

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{14149}}^1$

素因数の和:14171

約数の個数: 64

約数和(自身を含む): 67920000

約数和(自身を除く): 46526712

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, 14149, 28298, 42447, 56596, 84894, 99043, 113192, 127341, 169788, 198086, 254682, 297129, 339576, 382023, 396172, 509364, 594258, 764046, 792344, 891387, 1018728, 1188516, 1528092, 1782774, 2377032, 2674161, 3056184, 3565548, 5348322, 7131096, 10696644, 21393288]

約数ペア:

[(1, 21393288), (2, 10696644), (3, 7131096), (4, 5348322), (6, 3565548), (7, 3056184), (8, 2674161), (9, 2377032), (12, 1782774), (14, 1528092), (18, 1188516), (21, 1018728), (24, 891387), (27, 792344), (28, 764046), (36, 594258), (42, 509364), (54, 396172), (56, 382023), (63, 339576), (72, 297129), (84, 254682), (108, 198086), (126, 169788), (168, 127341), (189, 113192), (216, 99043), (252, 84894), (378, 56596), (504, 42447), (756, 28298), (1512, 14149)]