21778200

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 192

約数和(自身を含む): 77748000

約数和(自身を除く): 55969800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 37, 40, 45, 50, 54, 60, 72, 74, 75, 90, 100, 108, 109, 111, 120, 135, 148, 150, 180, 185, 200, 216, 218, 222, 225, 270, 296, 300, 327, 333, 360, 370, 436, 444, 450, 540, 545, 555, 600, 654, 666, 675, 740, 872, 888, 900, 925, 981, 999, 1080, 1090, 1110, 1308, 1332, 1350, 1480, 1635, 1665, 1800, 1850, 1962, 1998, 2180, 2220, 2616, 2664, 2700, 2725, 2775, 2943, 3270, 3330, 3700, 3924, 3996, 4033, 4360, 4440, 4905, 4995, 5400, 5450, 5550, 5886, 6540, 6660, 7400, 7848, 7992, 8066, 8175, 8325, 9810, 9990, 10900, 11100, 11772, 12099, 13080, 13320, 14715, 16132, 16350, 16650, 19620, 19980, 20165, 21800, 22200, 23544, 24198, 24525, 24975, 29430, 32264, 32700, 33300, 36297, 39240, 39960, 40330, 48396, 49050, 49950, 58860, 60495, 65400, 66600, 72594, 73575, 80660, 96792, 98100, 99900, 100825, 108891, 117720, 120990, 145188, 147150, 161320, 181485, 196200, 199800, 201650, 217782, 241980, 290376, 294300, 302475, 362970, 403300, 435564, 483960, 544455, 588600, 604950, 725940, 806600, 871128, 907425, 1088910, 1209900, 1451880, 1814850, 2177820, 2419800, 2722275, 3629700, 4355640, 5444550, 7259400, 10889100, 21778200]

約数ペア:

[(1, 21778200), (2, 10889100), (3, 7259400), (4, 5444550), (5, 4355640), (6, 3629700), (8, 2722275), (9, 2419800), (10, 2177820), (12, 1814850), (15, 1451880), (18, 1209900), (20, 1088910), (24, 907425), (25, 871128), (27, 806600), (30, 725940), (36, 604950), (37, 588600), (40, 544455), (45, 483960), (50, 435564), (54, 403300), (60, 362970), (72, 302475), (74, 294300), (75, 290376), (90, 241980), (100, 217782), (108, 201650), (109, 199800), (111, 196200), (120, 181485), (135, 161320), (148, 147150), (150, 145188), (180, 120990), (185, 117720), (200, 108891), (216, 100825), (218, 99900), (222, 98100), (225, 96792), (270, 80660), (296, 73575), (300, 72594), (327, 66600), (333, 65400), (360, 60495), (370, 58860), (436, 49950), (444, 49050), (450, 48396), (540, 40330), (545, 39960), (555, 39240), (600, 36297), (654, 33300), (666, 32700), (675, 32264), (740, 29430), (872, 24975), (888, 24525), (900, 24198), (925, 23544), (981, 22200), (999, 21800), (1080, 20165), (1090, 19980), (1110, 19620), (1308, 16650), (1332, 16350), (1350, 16132), (1480, 14715), (1635, 13320), (1665, 13080), (1800, 12099), (1850, 11772), (1962, 11100), (1998, 10900), (2180, 9990), (2220, 9810), (2616, 8325), (2664, 8175), (2700, 8066), (2725, 7992), (2775, 7848), (2943, 7400), (3270, 6660), (3330, 6540), (3700, 5886), (3924, 5550), (3996, 5450), (4033, 5400), (4360, 4995), (4440, 4905)]