21509532

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1873}}^1$

素因数の和:1923

約数の個数: 72

約数和(自身を含む): 61392240

約数和(自身を除く): 39882708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1873, 1914, 2871, 3746, 3828, 5619, 5742, 7492, 11238, 11484, 16857, 20603, 22476, 33714, 41206, 54317, 61809, 67428, 82412, 108634, 123618, 162951, 185427, 217268, 247236, 325902, 370854, 488853, 597487, 651804, 741708, 977706, 1194974, 1792461, 1955412, 2389948, 3584922, 5377383, 7169844, 10754766, 21509532]

約数ペア:

[(1, 21509532), (2, 10754766), (3, 7169844), (4, 5377383), (6, 3584922), (9, 2389948), (11, 1955412), (12, 1792461), (18, 1194974), (22, 977706), (29, 741708), (33, 651804), (36, 597487), (44, 488853), (58, 370854), (66, 325902), (87, 247236), (99, 217268), (116, 185427), (132, 162951), (174, 123618), (198, 108634), (261, 82412), (319, 67428), (348, 61809), (396, 54317), (522, 41206), (638, 33714), (957, 22476), (1044, 20603), (1276, 16857), (1873, 11484), (1914, 11238), (2871, 7492), (3746, 5742), (3828, 5619)]