21077889840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{50387}}^1$

素因数の和:50496

約数の個数: 240

約数和(自身を含む): 81875259648

約数和(自身を除く): 60797369808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 83, 84, 90, 105, 112, 120, 126, 140, 144, 166, 168, 180, 210, 240, 249, 252, 280, 315, 332, 336, 360, 415, 420, 498, 504, 560, 581, 630, 664, 720, 747, 830, 840, 996, 1008, 1162, 1245, 1260, 1328, 1494, 1660, 1680, 1743, 1992, 2324, 2490, 2520, 2905, 2988, 3320, 3486, 3735, 3984, 4648, 4980, 5040, 5229, 5810, 5976, 6640, 6972, 7470, 8715, 9296, 9960, 10458, 11620, 11952, 13944, 14940, 17430, 19920, 20916, 23240, 26145, 27888, 29880, 34860, 41832, 46480, 50387, 52290, 59760, 69720, 83664, 100774, 104580, 139440, 151161, 201548, 209160, 251935, 302322, 352709, 403096, 418320, 453483, 503870, 604644, 705418, 755805, 806192, 906966, 1007740, 1058127, 1209288, 1410836, 1511610, 1763545, 1813932, 2015480, 2116254, 2267415, 2418576, 2821672, 3023220, 3174381, 3527090, 3627864, 4030960, 4182121, 4232508, 4534830, 5290635, 5643344, 6046440, 6348762, 7054180, 7255728, 8364242, 8465016, 9069660, 10581270, 12092880, 12546363, 12697524, 14108360, 15871905, 16728484, 16930032, 18139320, 20910605, 21162540, 25092726, 25395048, 28216720, 29274847, 31743810, 33456968, 36278640, 37639089, 41821210, 42325080, 50185452, 50790096, 58549694, 62731815, 63487620, 66913936, 75278178, 83642420, 84650160, 87824541, 100370904, 117099388, 125463630, 126975240, 146374235, 150556356, 167284840, 175649082, 188195445, 200741808, 234198776, 250927260, 253950480, 263473623, 292748470, 301112712, 334569680, 351298164, 376390890, 439122705, 468397552, 501854520, 526947246, 585496940, 602225424, 702596328, 752781780, 878245410, 1003709040, 1053894492, 1170993880, 1317368115, 1405192656, 1505563560, 1756490820, 2107788984, 2341987760, 2634736230, 3011127120, 3512981640, 4215577968, 5269472460, 7025963280, 10538944920, 21077889840]

約数ペア:

[(1, 21077889840), (2, 10538944920), (3, 7025963280), (4, 5269472460), (5, 4215577968), (6, 3512981640), (7, 3011127120), (8, 2634736230), (9, 2341987760), (10, 2107788984), (12, 1756490820), (14, 1505563560), (15, 1405192656), (16, 1317368115), (18, 1170993880), (20, 1053894492), (21, 1003709040), (24, 878245410), (28, 752781780), (30, 702596328), (35, 602225424), (36, 585496940), (40, 526947246), (42, 501854520), (45, 468397552), (48, 439122705), (56, 376390890), (60, 351298164), (63, 334569680), (70, 301112712), (72, 292748470), (80, 263473623), (83, 253950480), (84, 250927260), (90, 234198776), (105, 200741808), (112, 188195445), (120, 175649082), (126, 167284840), (140, 150556356), (144, 146374235), (166, 126975240), (168, 125463630), (180, 117099388), (210, 100370904), (240, 87824541), (249, 84650160), (252, 83642420), (280, 75278178), (315, 66913936), (332, 63487620), (336, 62731815), (360, 58549694), (415, 50790096), (420, 50185452), (498, 42325080), (504, 41821210), (560, 37639089), (581, 36278640), (630, 33456968), (664, 31743810), (720, 29274847), (747, 28216720), (830, 25395048), (840, 25092726), (996, 21162540), (1008, 20910605), (1162, 18139320), (1245, 16930032), (1260, 16728484), (1328, 15871905), (1494, 14108360), (1660, 12697524), (1680, 12546363), (1743, 12092880), (1992, 10581270), (2324, 9069660), (2490, 8465016), (2520, 8364242), (2905, 7255728), (2988, 7054180), (3320, 6348762), (3486, 6046440), (3735, 5643344), (3984, 5290635), (4648, 4534830), (4980, 4232508), (5040, 4182121), (5229, 4030960), (5810, 3627864), (5976, 3527090), (6640, 3174381), (6972, 3023220), (7470, 2821672), (8715, 2418576), (9296, 2267415), (9960, 2116254), (10458, 2015480), (11620, 1813932), (11952, 1763545), (13944, 1511610), (14940, 1410836), (17430, 1209288), (19920, 1058127), (20916, 1007740), (23240, 906966), (26145, 806192), (27888, 755805), (29880, 705418), (34860, 604644), (41832, 503870), (46480, 453483), (50387, 418320), (52290, 403096), (59760, 352709), (69720, 302322), (83664, 251935), (100774, 209160), (104580, 201548), (139440, 151161)]