21313260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1408

約数の個数: 96

約数和(自身を含む): 68644800

約数和(自身を除く): 47331540

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, 1361, 1566, 1740, 2610, 2722, 3132, 3915, 4083, 5220, 5444, 6805, 7830, 8166, 12249, 13610, 15660, 16332, 20415, 24498, 27220, 36747, 39469, 40830, 48996, 61245, 73494, 78938, 81660, 118407, 122490, 146988, 157876, 183735, 197345, 236814, 244980, 355221, 367470, 394690, 473628, 592035, 710442, 734940, 789380, 1065663, 1184070, 1420884, 1776105, 2131326, 2368140, 3552210, 4262652, 5328315, 7104420, 10656630, 21313260]

約数ペア:

[(1, 21313260), (2, 10656630), (3, 7104420), (4, 5328315), (5, 4262652), (6, 3552210), (9, 2368140), (10, 2131326), (12, 1776105), (15, 1420884), (18, 1184070), (20, 1065663), (27, 789380), (29, 734940), (30, 710442), (36, 592035), (45, 473628), (54, 394690), (58, 367470), (60, 355221), (87, 244980), (90, 236814), (108, 197345), (116, 183735), (135, 157876), (145, 146988), (174, 122490), (180, 118407), (261, 81660), (270, 78938), (290, 73494), (348, 61245), (435, 48996), (522, 40830), (540, 39469), (580, 36747), (783, 27220), (870, 24498), (1044, 20415), (1305, 16332), (1361, 15660), (1566, 13610), (1740, 12249), (2610, 8166), (2722, 7830), (3132, 6805), (3915, 5444), (4083, 5220)]