21047391720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{23873}}^1$

素因数の和:24000

約数の個数: 192

約数和(自身を含む): 71507404800

約数和(自身を除く): 50460013080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 79, 90, 93, 120, 124, 155, 158, 180, 186, 237, 248, 279, 310, 316, 360, 372, 395, 465, 474, 558, 620, 632, 711, 744, 790, 930, 948, 1116, 1185, 1240, 1395, 1422, 1580, 1860, 1896, 2232, 2370, 2449, 2790, 2844, 3160, 3555, 3720, 4740, 4898, 5580, 5688, 7110, 7347, 9480, 9796, 11160, 12245, 14220, 14694, 19592, 22041, 23873, 24490, 28440, 29388, 36735, 44082, 47746, 48980, 58776, 71619, 73470, 88164, 95492, 97960, 110205, 119365, 143238, 146940, 176328, 190984, 214857, 220410, 238730, 286476, 293880, 358095, 429714, 440820, 477460, 572952, 716190, 740063, 859428, 881640, 954920, 1074285, 1432380, 1480126, 1718856, 1885967, 2148570, 2220189, 2864760, 2960252, 3700315, 3771934, 4297140, 4440378, 5657901, 5920504, 6660567, 7400630, 7543868, 8594280, 8880756, 9429835, 11100945, 11315802, 13321134, 14801260, 15087736, 16973703, 17761512, 18859670, 22201890, 22631604, 26642268, 28289505, 29602520, 33302835, 33947406, 37719340, 44403780, 45263208, 53284536, 56579010, 58464977, 66605670, 67894812, 75438680, 84868515, 88807560, 113158020, 116929954, 133211340, 135789624, 169737030, 175394931, 226316040, 233859908, 266422680, 292324885, 339474060, 350789862, 467719816, 526184793, 584649770, 678948120, 701579724, 876974655, 1052369586, 1169299540, 1403159448, 1753949310, 2104739172, 2338599080, 2630923965, 3507898620, 4209478344, 5261847930, 7015797240, 10523695860, 21047391720]

約数ペア:

[(1, 21047391720), (2, 10523695860), (3, 7015797240), (4, 5261847930), (5, 4209478344), (6, 3507898620), (8, 2630923965), (9, 2338599080), (10, 2104739172), (12, 1753949310), (15, 1403159448), (18, 1169299540), (20, 1052369586), (24, 876974655), (30, 701579724), (31, 678948120), (36, 584649770), (40, 526184793), (45, 467719816), (60, 350789862), (62, 339474060), (72, 292324885), (79, 266422680), (90, 233859908), (93, 226316040), (120, 175394931), (124, 169737030), (155, 135789624), (158, 133211340), (180, 116929954), (186, 113158020), (237, 88807560), (248, 84868515), (279, 75438680), (310, 67894812), (316, 66605670), (360, 58464977), (372, 56579010), (395, 53284536), (465, 45263208), (474, 44403780), (558, 37719340), (620, 33947406), (632, 33302835), (711, 29602520), (744, 28289505), (790, 26642268), (930, 22631604), (948, 22201890), (1116, 18859670), (1185, 17761512), (1240, 16973703), (1395, 15087736), (1422, 14801260), (1580, 13321134), (1860, 11315802), (1896, 11100945), (2232, 9429835), (2370, 8880756), (2449, 8594280), (2790, 7543868), (2844, 7400630), (3160, 6660567), (3555, 5920504), (3720, 5657901), (4740, 4440378), (4898, 4297140), (5580, 3771934), (5688, 3700315), (7110, 2960252), (7347, 2864760), (9480, 2220189), (9796, 2148570), (11160, 1885967), (12245, 1718856), (14220, 1480126), (14694, 1432380), (19592, 1074285), (22041, 954920), (23873, 881640), (24490, 859428), (28440, 740063), (29388, 716190), (36735, 572952), (44082, 477460), (47746, 440820), (48980, 429714), (58776, 358095), (71619, 293880), (73470, 286476), (88164, 238730), (95492, 220410), (97960, 214857), (110205, 190984), (119365, 176328), (143238, 146940)]