21937293784

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:1005

約数の個数: 128

約数和(自身を含む): 49146768000

約数和(自身を除く): 27209474216

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 109, 137, 148, 218, 259, 274, 296, 436, 518, 548, 709, 763, 872, 959, 1036, 1096, 1418, 1526, 1918, 2072, 2836, 3052, 3836, 4033, 4963, 5069, 5672, 6104, 7672, 8066, 9926, 10138, 14933, 16132, 19852, 20276, 26233, 28231, 29866, 32264, 35483, 39704, 40552, 52466, 56462, 59732, 70966, 77281, 97133, 104531, 104932, 112924, 119464, 141932, 154562, 183631, 194266, 209062, 209864, 225848, 283864, 309124, 367262, 388532, 418124, 540967, 552521, 618248, 679931, 734524, 777064, 836248, 1081934, 1105042, 1359862, 1469048, 2163868, 2210084, 2719724, 2859397, 3593921, 3867647, 4327736, 4420168, 5439448, 5718794, 7187842, 7735294, 10587497, 11437588, 14375684, 15470588, 20015779, 21174994, 22875176, 25157447, 28751368, 30941176, 40031558, 42349988, 50314894, 74112479, 80063116, 84699976, 100629788, 148224958, 160126232, 201259576, 296449916, 391737389, 592899832, 783474778, 1566949556, 2742161723, 3133899112, 5484323446, 10968646892, 21937293784]

約数ペア:

[(1, 21937293784), (2, 10968646892), (4, 5484323446), (7, 3133899112), (8, 2742161723), (14, 1566949556), (28, 783474778), (37, 592899832), (56, 391737389), (74, 296449916), (109, 201259576), (137, 160126232), (148, 148224958), (218, 100629788), (259, 84699976), (274, 80063116), (296, 74112479), (436, 50314894), (518, 42349988), (548, 40031558), (709, 30941176), (763, 28751368), (872, 25157447), (959, 22875176), (1036, 21174994), (1096, 20015779), (1418, 15470588), (1526, 14375684), (1918, 11437588), (2072, 10587497), (2836, 7735294), (3052, 7187842), (3836, 5718794), (4033, 5439448), (4963, 4420168), (5069, 4327736), (5672, 3867647), (6104, 3593921), (7672, 2859397), (8066, 2719724), (9926, 2210084), (10138, 2163868), (14933, 1469048), (16132, 1359862), (19852, 1105042), (20276, 1081934), (26233, 836248), (28231, 777064), (29866, 734524), (32264, 679931), (35483, 618248), (39704, 552521), (40552, 540967), (52466, 418124), (56462, 388532), (59732, 367262), (70966, 309124), (77281, 283864), (97133, 225848), (104531, 209864), (104932, 209062), (112924, 194266), (119464, 183631), (141932, 154562)]