21031258560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{10091}}^1$

素因数の和:10291

約数の個数: 224

約数和(自身を含む): 72348498432

約数和(自身を除く): 51317239872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 167, 192, 195, 208, 240, 260, 312, 320, 334, 390, 416, 480, 501, 520, 624, 668, 780, 832, 835, 960, 1002, 1040, 1248, 1336, 1560, 1670, 2004, 2080, 2171, 2496, 2505, 2672, 3120, 3340, 4008, 4160, 4342, 5010, 5344, 6240, 6513, 6680, 8016, 8684, 10020, 10091, 10688, 10855, 12480, 13026, 13360, 16032, 17368, 20040, 20182, 21710, 26052, 26720, 30273, 32064, 32565, 34736, 40080, 40364, 43420, 50455, 52104, 53440, 60546, 65130, 69472, 80160, 80728, 86840, 100910, 104208, 121092, 130260, 131183, 138944, 151365, 160320, 161456, 173680, 201820, 208416, 242184, 260520, 262366, 302730, 322912, 347360, 393549, 403640, 416832, 484368, 521040, 524732, 605460, 645824, 655915, 694720, 787098, 807280, 968736, 1042080, 1049464, 1210920, 1311830, 1574196, 1614560, 1685197, 1937472, 1967745, 2084160, 2098928, 2421840, 2623660, 3148392, 3229120, 3370394, 3935490, 4197856, 4843680, 5055591, 5247320, 6296784, 6740788, 7870980, 8395712, 8425985, 9687360, 10111182, 10494640, 12593568, 13481576, 15741960, 16851970, 20222364, 20989280, 21907561, 25187136, 25277955, 26963152, 31483920, 33703940, 40444728, 41978560, 43815122, 50555910, 53926304, 62967840, 65722683, 67407880, 80889456, 87630244, 101111820, 107852608, 109537805, 125935680, 131445366, 134815760, 161778912, 175260488, 202223640, 219075610, 262890732, 269631520, 323557824, 328613415, 350520976, 404447280, 438151220, 525781464, 539263040, 657226830, 701041952, 808894560, 876302440, 1051562928, 1314453660, 1402083904, 1617789120, 1752604880, 2103125856, 2628907320, 3505209760, 4206251712, 5257814640, 7010419520, 10515629280, 21031258560]

約数ペア:

[(1, 21031258560), (2, 10515629280), (3, 7010419520), (4, 5257814640), (5, 4206251712), (6, 3505209760), (8, 2628907320), (10, 2103125856), (12, 1752604880), (13, 1617789120), (15, 1402083904), (16, 1314453660), (20, 1051562928), (24, 876302440), (26, 808894560), (30, 701041952), (32, 657226830), (39, 539263040), (40, 525781464), (48, 438151220), (52, 404447280), (60, 350520976), (64, 328613415), (65, 323557824), (78, 269631520), (80, 262890732), (96, 219075610), (104, 202223640), (120, 175260488), (130, 161778912), (156, 134815760), (160, 131445366), (167, 125935680), (192, 109537805), (195, 107852608), (208, 101111820), (240, 87630244), (260, 80889456), (312, 67407880), (320, 65722683), (334, 62967840), (390, 53926304), (416, 50555910), (480, 43815122), (501, 41978560), (520, 40444728), (624, 33703940), (668, 31483920), (780, 26963152), (832, 25277955), (835, 25187136), (960, 21907561), (1002, 20989280), (1040, 20222364), (1248, 16851970), (1336, 15741960), (1560, 13481576), (1670, 12593568), (2004, 10494640), (2080, 10111182), (2171, 9687360), (2496, 8425985), (2505, 8395712), (2672, 7870980), (3120, 6740788), (3340, 6296784), (4008, 5247320), (4160, 5055591), (4342, 4843680), (5010, 4197856), (5344, 3935490), (6240, 3370394), (6513, 3229120), (6680, 3148392), (8016, 2623660), (8684, 2421840), (10020, 2098928), (10091, 2084160), (10688, 1967745), (10855, 1937472), (12480, 1685197), (13026, 1614560), (13360, 1574196), (16032, 1311830), (17368, 1210920), (20040, 1049464), (20182, 1042080), (21710, 968736), (26052, 807280), (26720, 787098), (30273, 694720), (32064, 655915), (32565, 645824), (34736, 605460), (40080, 524732), (40364, 521040), (43420, 484368), (50455, 416832), (52104, 403640), (53440, 393549), (60546, 347360), (65130, 322912), (69472, 302730), (80160, 262366), (80728, 260520), (86840, 242184), (100910, 208416), (104208, 201820), (121092, 173680), (130260, 161456), (131183, 160320), (138944, 151365)]