21541721344

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2957}}^1$

素因数の和:3196

約数の個数: 144

約数和(自身を含む): 50787676800

約数和(自身を除く): 29245955456

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 199, 208, 256, 286, 352, 398, 416, 572, 704, 796, 832, 1144, 1408, 1592, 1664, 2189, 2288, 2587, 2816, 2957, 3184, 3328, 4378, 4576, 5174, 5914, 6368, 8756, 9152, 10348, 11828, 12736, 17512, 18304, 20696, 23656, 25472, 28457, 32527, 35024, 36608, 38441, 41392, 47312, 50944, 56914, 65054, 70048, 76882, 82784, 94624, 113828, 130108, 140096, 153764, 165568, 189248, 227656, 260216, 280192, 307528, 331136, 378496, 422851, 455312, 520432, 560384, 588443, 615056, 662272, 756992, 845702, 910624, 1040864, 1176886, 1230112, 1691404, 1821248, 2081728, 2353772, 2460224, 3382808, 3642496, 4163456, 4707544, 4920448, 6472873, 6765616, 7284992, 7649759, 8326912, 9415088, 9840896, 12945746, 13531232, 15299518, 18830176, 25891492, 27062464, 30599036, 37660352, 51782984, 54124928, 61198072, 75320704, 84147349, 103565968, 108249856, 122396144, 150641408, 168294698, 207131936, 244792288, 336589396, 414263872, 489584576, 673178792, 828527744, 979169152, 1346357584, 1657055488, 1958338304, 2692715168, 5385430336, 10770860672, 21541721344]

約数ペア:

[(1, 21541721344), (2, 10770860672), (4, 5385430336), (8, 2692715168), (11, 1958338304), (13, 1657055488), (16, 1346357584), (22, 979169152), (26, 828527744), (32, 673178792), (44, 489584576), (52, 414263872), (64, 336589396), (88, 244792288), (104, 207131936), (128, 168294698), (143, 150641408), (176, 122396144), (199, 108249856), (208, 103565968), (256, 84147349), (286, 75320704), (352, 61198072), (398, 54124928), (416, 51782984), (572, 37660352), (704, 30599036), (796, 27062464), (832, 25891492), (1144, 18830176), (1408, 15299518), (1592, 13531232), (1664, 12945746), (2189, 9840896), (2288, 9415088), (2587, 8326912), (2816, 7649759), (2957, 7284992), (3184, 6765616), (3328, 6472873), (4378, 4920448), (4576, 4707544), (5174, 4163456), (5914, 3642496), (6368, 3382808), (8756, 2460224), (9152, 2353772), (10348, 2081728), (11828, 1821248), (12736, 1691404), (17512, 1230112), (18304, 1176886), (20696, 1040864), (23656, 910624), (25472, 845702), (28457, 756992), (32527, 662272), (35024, 615056), (36608, 588443), (38441, 560384), (41392, 520432), (47312, 455312), (50944, 422851), (56914, 378496), (65054, 331136), (70048, 307528), (76882, 280192), (82784, 260216), (94624, 227656), (113828, 189248), (130108, 165568), (140096, 153764)]