21115248

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 49594512

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 29, 33, 42, 44, 48, 56, 58, 66, 77, 84, 87, 88, 112, 116, 132, 154, 168, 174, 176, 197, 203, 231, 232, 264, 308, 319, 336, 348, 394, 406, 462, 464, 528, 591, 609, 616, 638, 696, 788, 812, 924, 957, 1182, 1218, 1232, 1276, 1379, 1392, 1576, 1624, 1848, 1914, 2167, 2233, 2364, 2436, 2552, 2758, 3152, 3248, 3696, 3828, 4137, 4334, 4466, 4728, 4872, 5104, 5516, 5713, 6501, 6699, 7656, 8274, 8668, 8932, 9456, 9744, 11032, 11426, 13002, 13398, 15169, 15312, 16548, 17139, 17336, 17864, 22064, 22852, 26004, 26796, 30338, 33096, 34278, 34672, 35728, 39991, 45507, 45704, 52008, 53592, 60676, 62843, 66192, 68556, 79982, 91014, 91408, 104016, 107184, 119973, 121352, 125686, 137112, 159964, 182028, 188529, 239946, 242704, 251372, 274224, 319928, 364056, 377058, 439901, 479892, 502744, 639856, 728112, 754116, 879802, 959784, 1005488, 1319703, 1508232, 1759604, 1919568, 2639406, 3016464, 3519208, 5278812, 7038416, 10557624, 21115248]

約数ペア:

[(1, 21115248), (2, 10557624), (3, 7038416), (4, 5278812), (6, 3519208), (7, 3016464), (8, 2639406), (11, 1919568), (12, 1759604), (14, 1508232), (16, 1319703), (21, 1005488), (22, 959784), (24, 879802), (28, 754116), (29, 728112), (33, 639856), (42, 502744), (44, 479892), (48, 439901), (56, 377058), (58, 364056), (66, 319928), (77, 274224), (84, 251372), (87, 242704), (88, 239946), (112, 188529), (116, 182028), (132, 159964), (154, 137112), (168, 125686), (174, 121352), (176, 119973), (197, 107184), (203, 104016), (231, 91408), (232, 91014), (264, 79982), (308, 68556), (319, 66192), (336, 62843), (348, 60676), (394, 53592), (406, 52008), (462, 45704), (464, 45507), (528, 39991), (591, 35728), (609, 34672), (616, 34278), (638, 33096), (696, 30338), (788, 26796), (812, 26004), (924, 22852), (957, 22064), (1182, 17864), (1218, 17336), (1232, 17139), (1276, 16548), (1379, 15312), (1392, 15169), (1576, 13398), (1624, 13002), (1848, 11426), (1914, 11032), (2167, 9744), (2233, 9456), (2364, 8932), (2436, 8668), (2552, 8274), (2758, 7656), (3152, 6699), (3248, 6501), (3696, 5713), (3828, 5516), (4137, 5104), (4334, 4872), (4466, 4728)]