21372219840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1\times {\mathrm{653}}^1$

素因数の和:1107

約数の個数: 224

約数和(自身を含む): 68827838976

約数和(自身を除く): 47455619136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 160, 192, 206, 240, 309, 320, 331, 412, 480, 515, 618, 653, 662, 824, 960, 993, 1030, 1236, 1306, 1324, 1545, 1648, 1655, 1959, 1986, 2060, 2472, 2612, 2648, 3090, 3265, 3296, 3310, 3918, 3972, 4120, 4944, 4965, 5224, 5296, 6180, 6530, 6592, 6620, 7836, 7944, 8240, 9795, 9888, 9930, 10448, 10592, 12360, 13060, 13240, 15672, 15888, 16480, 19590, 19776, 19860, 20896, 21184, 24720, 26120, 26480, 31344, 31776, 32960, 34093, 39180, 39720, 41792, 49440, 52240, 52960, 62688, 63552, 67259, 68186, 78360, 79440, 98880, 102279, 104480, 105920, 125376, 134518, 136372, 156720, 158880, 170465, 201777, 204558, 208960, 216143, 269036, 272744, 313440, 317760, 336295, 340930, 403554, 409116, 432286, 511395, 538072, 545488, 626880, 648429, 672590, 681860, 807108, 818232, 864572, 1008885, 1022790, 1076144, 1080715, 1090976, 1296858, 1345180, 1363720, 1614216, 1636464, 1729144, 2017770, 2045580, 2152288, 2161430, 2181952, 2593716, 2690360, 2727440, 3228432, 3242145, 3272928, 3458288, 4035540, 4091160, 4304576, 4322860, 5187432, 5380720, 5454880, 6456864, 6484290, 6545856, 6916576, 8071080, 8182320, 8645720, 10374864, 10761440, 10909760, 12913728, 12968580, 13833152, 16142160, 16364640, 17291440, 20749728, 21522880, 22262729, 25937160, 32284320, 32729280, 34582880, 41499456, 44525458, 51874320, 64568640, 66788187, 69165760, 89050916, 103748640, 111313645, 133576374, 178101832, 207497280, 222627290, 267152748, 333940935, 356203664, 445254580, 534305496, 667881870, 712407328, 890509160, 1068610992, 1335763740, 1424814656, 1781018320, 2137221984, 2671527480, 3562036640, 4274443968, 5343054960, 7124073280, 10686109920, 21372219840]

約数ペア:

[(1, 21372219840), (2, 10686109920), (3, 7124073280), (4, 5343054960), (5, 4274443968), (6, 3562036640), (8, 2671527480), (10, 2137221984), (12, 1781018320), (15, 1424814656), (16, 1335763740), (20, 1068610992), (24, 890509160), (30, 712407328), (32, 667881870), (40, 534305496), (48, 445254580), (60, 356203664), (64, 333940935), (80, 267152748), (96, 222627290), (103, 207497280), (120, 178101832), (160, 133576374), (192, 111313645), (206, 103748640), (240, 89050916), (309, 69165760), (320, 66788187), (331, 64568640), (412, 51874320), (480, 44525458), (515, 41499456), (618, 34582880), (653, 32729280), (662, 32284320), (824, 25937160), (960, 22262729), (993, 21522880), (1030, 20749728), (1236, 17291440), (1306, 16364640), (1324, 16142160), (1545, 13833152), (1648, 12968580), (1655, 12913728), (1959, 10909760), (1986, 10761440), (2060, 10374864), (2472, 8645720), (2612, 8182320), (2648, 8071080), (3090, 6916576), (3265, 6545856), (3296, 6484290), (3310, 6456864), (3918, 5454880), (3972, 5380720), (4120, 5187432), (4944, 4322860), (4965, 4304576), (5224, 4091160), (5296, 4035540), (6180, 3458288), (6530, 3272928), (6592, 3242145), (6620, 3228432), (7836, 2727440), (7944, 2690360), (8240, 2593716), (9795, 2181952), (9888, 2161430), (9930, 2152288), (10448, 2045580), (10592, 2017770), (12360, 1729144), (13060, 1636464), (13240, 1614216), (15672, 1363720), (15888, 1345180), (16480, 1296858), (19590, 1090976), (19776, 1080715), (19860, 1076144), (20896, 1022790), (21184, 1008885), (24720, 864572), (26120, 818232), (26480, 807108), (31344, 681860), (31776, 672590), (32960, 648429), (34093, 626880), (39180, 545488), (39720, 538072), (41792, 511395), (49440, 432286), (52240, 409116), (52960, 403554), (62688, 340930), (63552, 336295), (67259, 317760), (68186, 313440), (78360, 272744), (79440, 269036), (98880, 216143), (102279, 208960), (104480, 204558), (105920, 201777), (125376, 170465), (134518, 158880), (136372, 156720)]