21461580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17033}}^1$

素因数の和:17055

約数の個数: 72

約数和(自身を含む): 74404512

約数和(自身を除く): 52942932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17033, 34066, 51099, 68132, 85165, 102198, 119231, 153297, 170330, 204396, 238462, 255495, 306594, 340660, 357693, 476924, 510990, 596155, 613188, 715386, 766485, 1021980, 1073079, 1192310, 1430772, 1532970, 1788465, 2146158, 2384620, 3065940, 3576930, 4292316, 5365395, 7153860, 10730790, 21461580]

約数ペア:

[(1, 21461580), (2, 10730790), (3, 7153860), (4, 5365395), (5, 4292316), (6, 3576930), (7, 3065940), (9, 2384620), (10, 2146158), (12, 1788465), (14, 1532970), (15, 1430772), (18, 1192310), (20, 1073079), (21, 1021980), (28, 766485), (30, 715386), (35, 613188), (36, 596155), (42, 510990), (45, 476924), (60, 357693), (63, 340660), (70, 306594), (84, 255495), (90, 238462), (105, 204396), (126, 170330), (140, 153297), (180, 119231), (210, 102198), (252, 85165), (315, 68132), (420, 51099), (630, 34066), (1260, 17033)]