21028779360

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1622591}}^1$

素因数の和:1622618

約数の個数: 120

約数和(自身を含む): 74214112896

約数和(自身を除く): 53185333536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 1622591, 3245182, 4867773, 6490364, 8112955, 9735546, 12980728, 14603319, 16225910, 19471092, 24338865, 25961456, 29206638, 32451820, 38942184, 43809957, 48677730, 51922912, 58413276, 64903640, 73016595, 77884368, 87619914, 97355460, 116826552, 129807280, 131429871, 146033190, 155768736, 175239828, 194710920, 219049785, 233653104, 259614560, 262859742, 292066380, 350479656, 389421840, 438099570, 467306208, 525719484, 584132760, 657149355, 700959312, 778843680, 876199140, 1051438968, 1168265520, 1314298710, 1401918624, 1752398280, 2102877936, 2336531040, 2628597420, 3504796560, 4205755872, 5257194840, 7009593120, 10514389680, 21028779360]

約数ペア:

[(1, 21028779360), (2, 10514389680), (3, 7009593120), (4, 5257194840), (5, 4205755872), (6, 3504796560), (8, 2628597420), (9, 2336531040), (10, 2102877936), (12, 1752398280), (15, 1401918624), (16, 1314298710), (18, 1168265520), (20, 1051438968), (24, 876199140), (27, 778843680), (30, 700959312), (32, 657149355), (36, 584132760), (40, 525719484), (45, 467306208), (48, 438099570), (54, 389421840), (60, 350479656), (72, 292066380), (80, 262859742), (81, 259614560), (90, 233653104), (96, 219049785), (108, 194710920), (120, 175239828), (135, 155768736), (144, 146033190), (160, 131429871), (162, 129807280), (180, 116826552), (216, 97355460), (240, 87619914), (270, 77884368), (288, 73016595), (324, 64903640), (360, 58413276), (405, 51922912), (432, 48677730), (480, 43809957), (540, 38942184), (648, 32451820), (720, 29206638), (810, 25961456), (864, 24338865), (1080, 19471092), (1296, 16225910), (1440, 14603319), (1620, 12980728), (2160, 9735546), (2592, 8112955), (3240, 6490364), (4320, 4867773), (6480, 3245182), (12960, 1622591)]