21814212

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1657

約数の個数: 72

約数和(自身を含む): 61822656

約数和(自身を除く): 40008444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1613, 1932, 2254, 3226, 3381, 4508, 4839, 6452, 6762, 9678, 11291, 13524, 19356, 22582, 33873, 37099, 45164, 67746, 74198, 79037, 111297, 135492, 148396, 158074, 222594, 237111, 259693, 316148, 445188, 474222, 519386, 779079, 948444, 1038772, 1558158, 1817851, 3116316, 3635702, 5453553, 7271404, 10907106, 21814212]

約数ペア:

[(1, 21814212), (2, 10907106), (3, 7271404), (4, 5453553), (6, 3635702), (7, 3116316), (12, 1817851), (14, 1558158), (21, 1038772), (23, 948444), (28, 779079), (42, 519386), (46, 474222), (49, 445188), (69, 316148), (84, 259693), (92, 237111), (98, 222594), (138, 158074), (147, 148396), (161, 135492), (196, 111297), (276, 79037), (294, 74198), (322, 67746), (483, 45164), (588, 37099), (644, 33873), (966, 22582), (1127, 19356), (1613, 13524), (1932, 11291), (2254, 9678), (3226, 6762), (3381, 6452), (4508, 4839)]