21492743175

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^2\times {\mathrm{37861}}^1$

素因数の和:37938

約数の個数: 72

約数和(自身を含む): 40892474480

約数和(自身を除く): 19399731305

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 841, 1305, 2175, 2523, 3915, 4205, 6525, 7569, 12615, 19575, 21025, 22707, 37845, 37861, 63075, 113535, 113583, 189225, 189305, 340749, 567675, 567915, 946525, 1022247, 1097969, 1703745, 2839575, 3293907, 5111235, 5489845, 8518725, 9881721, 16469535, 25556175, 27449225, 29645163, 31841101, 49408605, 82347675, 95523303, 148225815, 159205505, 247043025, 286569909, 477616515, 741129075, 796027525, 859709727, 1432849545, 2388082575, 4298548635, 7164247725, 21492743175]

約数ペア:

[(1, 21492743175), (3, 7164247725), (5, 4298548635), (9, 2388082575), (15, 1432849545), (25, 859709727), (27, 796027525), (29, 741129075), (45, 477616515), (75, 286569909), (87, 247043025), (135, 159205505), (145, 148225815), (225, 95523303), (261, 82347675), (435, 49408605), (675, 31841101), (725, 29645163), (783, 27449225), (841, 25556175), (1305, 16469535), (2175, 9881721), (2523, 8518725), (3915, 5489845), (4205, 5111235), (6525, 3293907), (7569, 2839575), (12615, 1703745), (19575, 1097969), (21025, 1022247), (22707, 946525), (37845, 567915), (37861, 567675), (63075, 340749), (113535, 189305), (113583, 189225)]