21656096

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 57915648

約数和(自身を除く): 36259552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 47, 56, 68, 77, 88, 94, 112, 119, 121, 136, 154, 176, 187, 188, 224, 238, 242, 272, 308, 329, 352, 374, 376, 476, 484, 517, 544, 616, 658, 748, 752, 799, 847, 952, 968, 1034, 1232, 1309, 1316, 1496, 1504, 1598, 1694, 1904, 1936, 2057, 2068, 2464, 2618, 2632, 2992, 3196, 3388, 3619, 3808, 3872, 4114, 4136, 5236, 5264, 5593, 5687, 5984, 6392, 6776, 7238, 8228, 8272, 8789, 10472, 10528, 11186, 11374, 12784, 13552, 14399, 14476, 16456, 16544, 17578, 20944, 22372, 22748, 25568, 27104, 28798, 28952, 32912, 35156, 39809, 41888, 44744, 45496, 57596, 57904, 61523, 65824, 70312, 79618, 89488, 90992, 96679, 115192, 115808, 123046, 140624, 159236, 178976, 181984, 193358, 230384, 246092, 281248, 318472, 386716, 460768, 492184, 636944, 676753, 773432, 984368, 1273888, 1353506, 1546864, 1968736, 2707012, 3093728, 5414024, 10828048, 21656096]

約数ペア:

[(1, 21656096), (2, 10828048), (4, 5414024), (7, 3093728), (8, 2707012), (11, 1968736), (14, 1546864), (16, 1353506), (17, 1273888), (22, 984368), (28, 773432), (32, 676753), (34, 636944), (44, 492184), (47, 460768), (56, 386716), (68, 318472), (77, 281248), (88, 246092), (94, 230384), (112, 193358), (119, 181984), (121, 178976), (136, 159236), (154, 140624), (176, 123046), (187, 115808), (188, 115192), (224, 96679), (238, 90992), (242, 89488), (272, 79618), (308, 70312), (329, 65824), (352, 61523), (374, 57904), (376, 57596), (476, 45496), (484, 44744), (517, 41888), (544, 39809), (616, 35156), (658, 32912), (748, 28952), (752, 28798), (799, 27104), (847, 25568), (952, 22748), (968, 22372), (1034, 20944), (1232, 17578), (1309, 16544), (1316, 16456), (1496, 14476), (1504, 14399), (1598, 13552), (1694, 12784), (1904, 11374), (1936, 11186), (2057, 10528), (2068, 10472), (2464, 8789), (2618, 8272), (2632, 8228), (2992, 7238), (3196, 6776), (3388, 6392), (3619, 5984), (3808, 5687), (3872, 5593), (4114, 5264), (4136, 5236)]