21062580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 75866112

約数和(自身を除く): 54803532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 47, 55, 60, 66, 70, 77, 84, 94, 97, 105, 110, 132, 140, 141, 154, 165, 188, 194, 210, 220, 231, 235, 282, 291, 308, 329, 330, 385, 388, 420, 462, 470, 485, 517, 564, 582, 658, 660, 679, 705, 770, 924, 940, 970, 987, 1034, 1067, 1155, 1164, 1316, 1358, 1410, 1455, 1540, 1551, 1645, 1940, 1974, 2037, 2068, 2134, 2310, 2585, 2716, 2820, 2910, 3102, 3201, 3290, 3395, 3619, 3948, 4074, 4268, 4559, 4620, 4935, 5170, 5335, 5820, 6204, 6402, 6580, 6790, 7238, 7469, 7755, 8148, 9118, 9870, 10185, 10340, 10670, 10857, 12804, 13580, 13677, 14476, 14938, 15510, 16005, 18095, 18236, 19740, 20370, 21340, 21714, 22407, 22795, 27354, 29876, 31020, 31913, 32010, 36190, 37345, 40740, 43428, 44814, 45590, 50149, 54285, 54708, 63826, 64020, 68385, 72380, 74690, 89628, 91180, 95739, 100298, 108570, 112035, 127652, 136770, 149380, 150447, 159565, 191478, 200596, 217140, 224070, 250745, 273540, 300894, 319130, 351043, 382956, 448140, 478695, 501490, 601788, 638260, 702086, 752235, 957390, 1002980, 1053129, 1404172, 1504470, 1755215, 1914780, 2106258, 3008940, 3510430, 4212516, 5265645, 7020860, 10531290, 21062580]

約数ペア:

[(1, 21062580), (2, 10531290), (3, 7020860), (4, 5265645), (5, 4212516), (6, 3510430), (7, 3008940), (10, 2106258), (11, 1914780), (12, 1755215), (14, 1504470), (15, 1404172), (20, 1053129), (21, 1002980), (22, 957390), (28, 752235), (30, 702086), (33, 638260), (35, 601788), (42, 501490), (44, 478695), (47, 448140), (55, 382956), (60, 351043), (66, 319130), (70, 300894), (77, 273540), (84, 250745), (94, 224070), (97, 217140), (105, 200596), (110, 191478), (132, 159565), (140, 150447), (141, 149380), (154, 136770), (165, 127652), (188, 112035), (194, 108570), (210, 100298), (220, 95739), (231, 91180), (235, 89628), (282, 74690), (291, 72380), (308, 68385), (329, 64020), (330, 63826), (385, 54708), (388, 54285), (420, 50149), (462, 45590), (470, 44814), (485, 43428), (517, 40740), (564, 37345), (582, 36190), (658, 32010), (660, 31913), (679, 31020), (705, 29876), (770, 27354), (924, 22795), (940, 22407), (970, 21714), (987, 21340), (1034, 20370), (1067, 19740), (1155, 18236), (1164, 18095), (1316, 16005), (1358, 15510), (1410, 14938), (1455, 14476), (1540, 13677), (1551, 13580), (1645, 12804), (1940, 10857), (1974, 10670), (2037, 10340), (2068, 10185), (2134, 9870), (2310, 9118), (2585, 8148), (2716, 7755), (2820, 7469), (2910, 7238), (3102, 6790), (3201, 6580), (3290, 6402), (3395, 6204), (3619, 5820), (3948, 5335), (4074, 5170), (4268, 4935), (4559, 4620)]