21374010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 66908160

約数和(自身を除く): 45534150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 43, 45, 54, 63, 70, 86, 90, 105, 126, 129, 135, 189, 210, 215, 258, 263, 270, 301, 315, 378, 387, 430, 526, 602, 630, 645, 774, 789, 903, 945, 1161, 1290, 1315, 1505, 1578, 1806, 1841, 1890, 1935, 2322, 2367, 2630, 2709, 3010, 3682, 3870, 3945, 4515, 4734, 5418, 5523, 5805, 7101, 7890, 8127, 9030, 9205, 11046, 11309, 11610, 11835, 13545, 14202, 16254, 16569, 18410, 22618, 23670, 27090, 27615, 33138, 33927, 35505, 40635, 49707, 55230, 56545, 67854, 71010, 79163, 81270, 82845, 99414, 101781, 113090, 158326, 165690, 169635, 203562, 237489, 248535, 305343, 339270, 395815, 474978, 497070, 508905, 610686, 712467, 791630, 1017810, 1187445, 1424934, 1526715, 2137401, 2374890, 3053430, 3562335, 4274802, 7124670, 10687005, 21374010]

約数ペア:

[(1, 21374010), (2, 10687005), (3, 7124670), (5, 4274802), (6, 3562335), (7, 3053430), (9, 2374890), (10, 2137401), (14, 1526715), (15, 1424934), (18, 1187445), (21, 1017810), (27, 791630), (30, 712467), (35, 610686), (42, 508905), (43, 497070), (45, 474978), (54, 395815), (63, 339270), (70, 305343), (86, 248535), (90, 237489), (105, 203562), (126, 169635), (129, 165690), (135, 158326), (189, 113090), (210, 101781), (215, 99414), (258, 82845), (263, 81270), (270, 79163), (301, 71010), (315, 67854), (378, 56545), (387, 55230), (430, 49707), (526, 40635), (602, 35505), (630, 33927), (645, 33138), (774, 27615), (789, 27090), (903, 23670), (945, 22618), (1161, 18410), (1290, 16569), (1315, 16254), (1505, 14202), (1578, 13545), (1806, 11835), (1841, 11610), (1890, 11309), (1935, 11046), (2322, 9205), (2367, 9030), (2630, 8127), (2709, 7890), (3010, 7101), (3682, 5805), (3870, 5523), (3945, 5418), (4515, 4734)]