21555468

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1877}}^1$

素因数の和:1927

約数の個数: 72

約数和(自身を含む): 61523280

約数和(自身を除く): 39967812

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, 1877, 1914, 2871, 3754, 3828, 5631, 5742, 7508, 11262, 11484, 16893, 20647, 22524, 33786, 41294, 54433, 61941, 67572, 82588, 108866, 123882, 163299, 185823, 217732, 247764, 326598, 371646, 489897, 598763, 653196, 743292, 979794, 1197526, 1796289, 1959588, 2395052, 3592578, 5388867, 7185156, 10777734, 21555468]

約数ペア:

[(1, 21555468), (2, 10777734), (3, 7185156), (4, 5388867), (6, 3592578), (9, 2395052), (11, 1959588), (12, 1796289), (18, 1197526), (22, 979794), (29, 743292), (33, 653196), (36, 598763), (44, 489897), (58, 371646), (66, 326598), (87, 247764), (99, 217732), (116, 185823), (132, 163299), (174, 123882), (198, 108866), (261, 82588), (319, 67572), (348, 61941), (396, 54433), (522, 41294), (638, 33786), (957, 22524), (1044, 20647), (1276, 16893), (1877, 11484), (1914, 11262), (2871, 7508), (3754, 5742), (3828, 5631)]