21115065720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{4603}}^1$

素因数の和:4794

約数の個数: 256

約数和(自身を含む): 74677616640

約数和(自身を除く): 53562550920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 127, 129, 140, 168, 172, 210, 215, 254, 258, 280, 301, 344, 381, 420, 430, 508, 516, 602, 635, 645, 762, 840, 860, 889, 903, 1016, 1032, 1204, 1270, 1290, 1505, 1524, 1720, 1778, 1806, 1905, 2408, 2540, 2580, 2667, 3010, 3048, 3556, 3612, 3810, 4445, 4515, 4603, 5080, 5160, 5334, 5461, 6020, 7112, 7224, 7620, 8890, 9030, 9206, 10668, 10922, 12040, 13335, 13809, 15240, 16383, 17780, 18060, 18412, 21336, 21844, 23015, 26670, 27305, 27618, 32221, 32766, 35560, 36120, 36824, 38227, 43688, 46030, 53340, 54610, 55236, 64442, 65532, 69045, 76454, 81915, 92060, 96663, 106680, 109220, 110472, 114681, 128884, 131064, 138090, 152908, 161105, 163830, 184120, 191135, 193326, 197929, 218440, 229362, 257768, 276180, 305816, 322210, 327660, 382270, 386652, 395858, 458724, 483315, 552360, 573405, 584581, 593787, 644420, 655320, 764540, 773304, 791716, 917448, 966630, 989645, 1146810, 1169162, 1187574, 1288840, 1385503, 1529080, 1583432, 1753743, 1933260, 1979290, 2293620, 2338324, 2375148, 2771006, 2922905, 2968935, 3507486, 3866520, 3958580, 4092067, 4156509, 4587240, 4676648, 4750296, 5542012, 5845810, 5937870, 6927515, 7014972, 7917160, 8184134, 8313018, 8768715, 11084024, 11691620, 11875740, 12276201, 13855030, 14029944, 16368268, 16626036, 17537430, 20460335, 20782545, 23383240, 23751480, 24552402, 25136983, 27710060, 32736536, 33252072, 35074860, 40920670, 41565090, 49104804, 50273966, 55420120, 61381005, 70149720, 75410949, 81841340, 83130180, 98209608, 100547932, 122762010, 125684915, 150821898, 163682680, 166260360, 175958881, 201095864, 245524020, 251369830, 301643796, 351917762, 377054745, 491048040, 502739660, 527876643, 603287592, 703835524, 754109490, 879794405, 1005479320, 1055753286, 1407671048, 1508218980, 1759588810, 2111506572, 2639383215, 3016437960, 3519177620, 4223013144, 5278766430, 7038355240, 10557532860, 21115065720]

約数ペア:

[(1, 21115065720), (2, 10557532860), (3, 7038355240), (4, 5278766430), (5, 4223013144), (6, 3519177620), (7, 3016437960), (8, 2639383215), (10, 2111506572), (12, 1759588810), (14, 1508218980), (15, 1407671048), (20, 1055753286), (21, 1005479320), (24, 879794405), (28, 754109490), (30, 703835524), (35, 603287592), (40, 527876643), (42, 502739660), (43, 491048040), (56, 377054745), (60, 351917762), (70, 301643796), (84, 251369830), (86, 245524020), (105, 201095864), (120, 175958881), (127, 166260360), (129, 163682680), (140, 150821898), (168, 125684915), (172, 122762010), (210, 100547932), (215, 98209608), (254, 83130180), (258, 81841340), (280, 75410949), (301, 70149720), (344, 61381005), (381, 55420120), (420, 50273966), (430, 49104804), (508, 41565090), (516, 40920670), (602, 35074860), (635, 33252072), (645, 32736536), (762, 27710060), (840, 25136983), (860, 24552402), (889, 23751480), (903, 23383240), (1016, 20782545), (1032, 20460335), (1204, 17537430), (1270, 16626036), (1290, 16368268), (1505, 14029944), (1524, 13855030), (1720, 12276201), (1778, 11875740), (1806, 11691620), (1905, 11084024), (2408, 8768715), (2540, 8313018), (2580, 8184134), (2667, 7917160), (3010, 7014972), (3048, 6927515), (3556, 5937870), (3612, 5845810), (3810, 5542012), (4445, 4750296), (4515, 4676648), (4603, 4587240), (5080, 4156509), (5160, 4092067), (5334, 3958580), (5461, 3866520), (6020, 3507486), (7112, 2968935), (7224, 2922905), (7620, 2771006), (8890, 2375148), (9030, 2338324), (9206, 2293620), (10668, 1979290), (10922, 1933260), (12040, 1753743), (13335, 1583432), (13809, 1529080), (15240, 1385503), (16383, 1288840), (17780, 1187574), (18060, 1169162), (18412, 1146810), (21336, 989645), (21844, 966630), (23015, 917448), (26670, 791716), (27305, 773304), (27618, 764540), (32221, 655320), (32766, 644420), (35560, 593787), (36120, 584581), (36824, 573405), (38227, 552360), (43688, 483315), (46030, 458724), (53340, 395858), (54610, 386652), (55236, 382270), (64442, 327660), (65532, 322210), (69045, 305816), (76454, 276180), (81915, 257768), (92060, 229362), (96663, 218440), (106680, 197929), (109220, 193326), (110472, 191135), (114681, 184120), (128884, 163830), (131064, 161105), (138090, 152908)]