21626460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1428

約数の個数: 96

約数和(自身を含む): 69652800

約数和(自身を除く): 48026340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1381, 1566, 1740, 2610, 2762, 3132, 3915, 4143, 5220, 5524, 6905, 7830, 8286, 12429, 13810, 15660, 16572, 20715, 24858, 27620, 37287, 40049, 41430, 49716, 62145, 74574, 80098, 82860, 120147, 124290, 149148, 160196, 186435, 200245, 240294, 248580, 360441, 372870, 400490, 480588, 600735, 720882, 745740, 800980, 1081323, 1201470, 1441764, 1802205, 2162646, 2402940, 3604410, 4325292, 5406615, 7208820, 10813230, 21626460]

約数ペア:

[(1, 21626460), (2, 10813230), (3, 7208820), (4, 5406615), (5, 4325292), (6, 3604410), (9, 2402940), (10, 2162646), (12, 1802205), (15, 1441764), (18, 1201470), (20, 1081323), (27, 800980), (29, 745740), (30, 720882), (36, 600735), (45, 480588), (54, 400490), (58, 372870), (60, 360441), (87, 248580), (90, 240294), (108, 200245), (116, 186435), (135, 160196), (145, 149148), (174, 124290), (180, 120147), (261, 82860), (270, 80098), (290, 74574), (348, 62145), (435, 49716), (522, 41430), (540, 40049), (580, 37287), (783, 27620), (870, 24858), (1044, 20715), (1305, 16572), (1381, 15660), (1566, 13810), (1740, 12429), (2610, 8286), (2762, 7830), (3132, 6905), (3915, 5524), (4143, 5220)]