21689100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 72391200

約数和(自身を除く): 50702100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 87, 90, 100, 108, 116, 135, 145, 150, 174, 180, 225, 261, 270, 277, 290, 300, 348, 435, 450, 522, 540, 554, 580, 675, 725, 783, 831, 870, 900, 1044, 1108, 1305, 1350, 1385, 1450, 1566, 1662, 1740, 2175, 2493, 2610, 2700, 2770, 2900, 3132, 3324, 3915, 4155, 4350, 4986, 5220, 5540, 6525, 6925, 7479, 7830, 8033, 8310, 8700, 9972, 12465, 13050, 13850, 14958, 15660, 16066, 16620, 19575, 20775, 24099, 24930, 26100, 27700, 29916, 32132, 37395, 39150, 40165, 41550, 48198, 49860, 62325, 72297, 74790, 78300, 80330, 83100, 96396, 120495, 124650, 144594, 149580, 160660, 186975, 200825, 216891, 240990, 249300, 289188, 361485, 373950, 401650, 433782, 481980, 602475, 722970, 747900, 803300, 867564, 1084455, 1204950, 1445940, 1807425, 2168910, 2409900, 3614850, 4337820, 5422275, 7229700, 10844550, 21689100]

約数ペア:

[(1, 21689100), (2, 10844550), (3, 7229700), (4, 5422275), (5, 4337820), (6, 3614850), (9, 2409900), (10, 2168910), (12, 1807425), (15, 1445940), (18, 1204950), (20, 1084455), (25, 867564), (27, 803300), (29, 747900), (30, 722970), (36, 602475), (45, 481980), (50, 433782), (54, 401650), (58, 373950), (60, 361485), (75, 289188), (87, 249300), (90, 240990), (100, 216891), (108, 200825), (116, 186975), (135, 160660), (145, 149580), (150, 144594), (174, 124650), (180, 120495), (225, 96396), (261, 83100), (270, 80330), (277, 78300), (290, 74790), (300, 72297), (348, 62325), (435, 49860), (450, 48198), (522, 41550), (540, 40165), (554, 39150), (580, 37395), (675, 32132), (725, 29916), (783, 27700), (831, 26100), (870, 24930), (900, 24099), (1044, 20775), (1108, 19575), (1305, 16620), (1350, 16066), (1385, 15660), (1450, 14958), (1566, 13850), (1662, 13050), (1740, 12465), (2175, 9972), (2493, 8700), (2610, 8310), (2700, 8033), (2770, 7830), (2900, 7479), (3132, 6925), (3324, 6525), (3915, 5540), (4155, 5220), (4350, 4986)]