21421463760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{25939}}^1$

素因数の和:26026

約数の個数: 240

約数和(自身を含む): 76271070720

約数和(自身を除く): 54849606960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 37, 40, 45, 48, 60, 62, 72, 74, 80, 90, 93, 111, 120, 124, 144, 148, 155, 180, 185, 186, 222, 240, 248, 279, 296, 310, 333, 360, 370, 372, 444, 465, 496, 555, 558, 592, 620, 666, 720, 740, 744, 888, 930, 1110, 1116, 1147, 1240, 1332, 1395, 1480, 1488, 1665, 1776, 1860, 2220, 2232, 2294, 2480, 2664, 2790, 2960, 3330, 3441, 3720, 4440, 4464, 4588, 5328, 5580, 5735, 6660, 6882, 7440, 8880, 9176, 10323, 11160, 11470, 13320, 13764, 17205, 18352, 20646, 22320, 22940, 25939, 26640, 27528, 34410, 41292, 45880, 51615, 51878, 55056, 68820, 77817, 82584, 91760, 103230, 103756, 129695, 137640, 155634, 165168, 206460, 207512, 233451, 259390, 275280, 311268, 389085, 412920, 415024, 466902, 518780, 622536, 778170, 804109, 825840, 933804, 959743, 1037560, 1167255, 1245072, 1556340, 1608218, 1867608, 1919486, 2075120, 2334510, 2412327, 2879229, 3112680, 3216436, 3735216, 3838972, 4020545, 4669020, 4798715, 4824654, 5758458, 6225360, 6432872, 7236981, 7677944, 8041090, 8637687, 9338040, 9597430, 9649308, 11516916, 12061635, 12865744, 14396145, 14473962, 15355888, 16082180, 17275374, 18676080, 19194860, 19298616, 23033832, 24123270, 28792290, 28947924, 29752033, 32164360, 34550748, 36184905, 38389720, 38597232, 43188435, 46067664, 48246540, 57584580, 57895848, 59504066, 64328720, 69101496, 72369810, 76779440, 86376870, 89256099, 96493080, 115169160, 115791696, 119008132, 138202992, 144739620, 148760165, 172753740, 178512198, 192986160, 230338320, 238016264, 267768297, 289479240, 297520330, 345507480, 357024396, 446280495, 476032528, 535536594, 578958480, 595040660, 691014960, 714048792, 892560990, 1071073188, 1190081320, 1338841485, 1428097584, 1785121980, 2142146376, 2380162640, 2677682970, 3570243960, 4284292752, 5355365940, 7140487920, 10710731880, 21421463760]

約数ペア:

[(1, 21421463760), (2, 10710731880), (3, 7140487920), (4, 5355365940), (5, 4284292752), (6, 3570243960), (8, 2677682970), (9, 2380162640), (10, 2142146376), (12, 1785121980), (15, 1428097584), (16, 1338841485), (18, 1190081320), (20, 1071073188), (24, 892560990), (30, 714048792), (31, 691014960), (36, 595040660), (37, 578958480), (40, 535536594), (45, 476032528), (48, 446280495), (60, 357024396), (62, 345507480), (72, 297520330), (74, 289479240), (80, 267768297), (90, 238016264), (93, 230338320), (111, 192986160), (120, 178512198), (124, 172753740), (144, 148760165), (148, 144739620), (155, 138202992), (180, 119008132), (185, 115791696), (186, 115169160), (222, 96493080), (240, 89256099), (248, 86376870), (279, 76779440), (296, 72369810), (310, 69101496), (333, 64328720), (360, 59504066), (370, 57895848), (372, 57584580), (444, 48246540), (465, 46067664), (496, 43188435), (555, 38597232), (558, 38389720), (592, 36184905), (620, 34550748), (666, 32164360), (720, 29752033), (740, 28947924), (744, 28792290), (888, 24123270), (930, 23033832), (1110, 19298616), (1116, 19194860), (1147, 18676080), (1240, 17275374), (1332, 16082180), (1395, 15355888), (1480, 14473962), (1488, 14396145), (1665, 12865744), (1776, 12061635), (1860, 11516916), (2220, 9649308), (2232, 9597430), (2294, 9338040), (2480, 8637687), (2664, 8041090), (2790, 7677944), (2960, 7236981), (3330, 6432872), (3441, 6225360), (3720, 5758458), (4440, 4824654), (4464, 4798715), (4588, 4669020), (5328, 4020545), (5580, 3838972), (5735, 3735216), (6660, 3216436), (6882, 3112680), (7440, 2879229), (8880, 2412327), (9176, 2334510), (10323, 2075120), (11160, 1919486), (11470, 1867608), (13320, 1608218), (13764, 1556340), (17205, 1245072), (18352, 1167255), (20646, 1037560), (22320, 959743), (22940, 933804), (25939, 825840), (26640, 804109), (27528, 778170), (34410, 622536), (41292, 518780), (45880, 466902), (51615, 415024), (51878, 412920), (55056, 389085), (68820, 311268), (77817, 275280), (82584, 259390), (91760, 233451), (103230, 207512), (103756, 206460), (129695, 165168), (137640, 155634)]