21053265480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109721}}^1$

素因数の和:109792

約数の個数: 192

約数和(自身を含む): 75484347120

約数和(自身を除く): 54431081640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 52, 60, 65, 72, 78, 82, 90, 104, 117, 120, 123, 130, 156, 164, 180, 195, 205, 234, 246, 260, 312, 328, 360, 369, 390, 410, 468, 492, 520, 533, 585, 615, 738, 780, 820, 936, 984, 1066, 1170, 1230, 1476, 1560, 1599, 1640, 1845, 2132, 2340, 2460, 2665, 2952, 3198, 3690, 4264, 4680, 4797, 4920, 5330, 6396, 7380, 7995, 9594, 10660, 12792, 14760, 15990, 19188, 21320, 23985, 31980, 38376, 47970, 63960, 95940, 109721, 191880, 219442, 329163, 438884, 548605, 658326, 877768, 987489, 1097210, 1316652, 1426373, 1645815, 1974978, 2194420, 2633304, 2852746, 3291630, 3949956, 4279119, 4388840, 4498561, 4937445, 5705492, 6583260, 7131865, 7899912, 8558238, 8997122, 9874890, 11410984, 12837357, 13166520, 13495683, 14263730, 17116476, 17994244, 19749780, 21395595, 22492805, 25674714, 26991366, 28527460, 34232952, 35988488, 39499560, 40487049, 42791190, 44985610, 51349428, 53982732, 57054920, 58481293, 64186785, 67478415, 80974098, 85582380, 89971220, 102698856, 107965464, 116962586, 128373570, 134956830, 161948196, 171164760, 175443879, 179942440, 202435245, 233925172, 256747140, 269913660, 292406465, 323896392, 350887758, 404870490, 467850344, 513494280, 526331637, 539827320, 584812930, 701775516, 809740980, 877219395, 1052663274, 1169625860, 1403551032, 1619481960, 1754438790, 2105326548, 2339251720, 2631658185, 3508877580, 4210653096, 5263316370, 7017755160, 10526632740, 21053265480]

約数ペア:

[(1, 21053265480), (2, 10526632740), (3, 7017755160), (4, 5263316370), (5, 4210653096), (6, 3508877580), (8, 2631658185), (9, 2339251720), (10, 2105326548), (12, 1754438790), (13, 1619481960), (15, 1403551032), (18, 1169625860), (20, 1052663274), (24, 877219395), (26, 809740980), (30, 701775516), (36, 584812930), (39, 539827320), (40, 526331637), (41, 513494280), (45, 467850344), (52, 404870490), (60, 350887758), (65, 323896392), (72, 292406465), (78, 269913660), (82, 256747140), (90, 233925172), (104, 202435245), (117, 179942440), (120, 175443879), (123, 171164760), (130, 161948196), (156, 134956830), (164, 128373570), (180, 116962586), (195, 107965464), (205, 102698856), (234, 89971220), (246, 85582380), (260, 80974098), (312, 67478415), (328, 64186785), (360, 58481293), (369, 57054920), (390, 53982732), (410, 51349428), (468, 44985610), (492, 42791190), (520, 40487049), (533, 39499560), (585, 35988488), (615, 34232952), (738, 28527460), (780, 26991366), (820, 25674714), (936, 22492805), (984, 21395595), (1066, 19749780), (1170, 17994244), (1230, 17116476), (1476, 14263730), (1560, 13495683), (1599, 13166520), (1640, 12837357), (1845, 11410984), (2132, 9874890), (2340, 8997122), (2460, 8558238), (2665, 7899912), (2952, 7131865), (3198, 6583260), (3690, 5705492), (4264, 4937445), (4680, 4498561), (4797, 4388840), (4920, 4279119), (5330, 3949956), (6396, 3291630), (7380, 2852746), (7995, 2633304), (9594, 2194420), (10660, 1974978), (12792, 1645815), (14760, 1426373), (15990, 1316652), (19188, 1097210), (21320, 987489), (23985, 877768), (31980, 658326), (38376, 548605), (47970, 438884), (63960, 329163), (95940, 219442), (109721, 191880)]