21949452

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:588

約数の個数: 108

約数和(自身を含む): 67472496

約数和(自身を除く): 45523044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 414, 441, 483, 541, 588, 644, 828, 882, 966, 1082, 1127, 1449, 1623, 1764, 1932, 2164, 2254, 2898, 3246, 3381, 3787, 4508, 4869, 5796, 6492, 6762, 7574, 9738, 10143, 11361, 12443, 13524, 15148, 19476, 20286, 22722, 24886, 26509, 34083, 37329, 40572, 45444, 49772, 53018, 68166, 74658, 79527, 87101, 106036, 111987, 136332, 149316, 159054, 174202, 223974, 238581, 261303, 318108, 348404, 447948, 477162, 522606, 609707, 783909, 954324, 1045212, 1219414, 1567818, 1829121, 2438828, 3135636, 3658242, 5487363, 7316484, 10974726, 21949452]

約数ペア:

[(1, 21949452), (2, 10974726), (3, 7316484), (4, 5487363), (6, 3658242), (7, 3135636), (9, 2438828), (12, 1829121), (14, 1567818), (18, 1219414), (21, 1045212), (23, 954324), (28, 783909), (36, 609707), (42, 522606), (46, 477162), (49, 447948), (63, 348404), (69, 318108), (84, 261303), (92, 238581), (98, 223974), (126, 174202), (138, 159054), (147, 149316), (161, 136332), (196, 111987), (207, 106036), (252, 87101), (276, 79527), (294, 74658), (322, 68166), (414, 53018), (441, 49772), (483, 45444), (541, 40572), (588, 37329), (644, 34083), (828, 26509), (882, 24886), (966, 22722), (1082, 20286), (1127, 19476), (1449, 15148), (1623, 13524), (1764, 12443), (1932, 11361), (2164, 10143), (2254, 9738), (2898, 7574), (3246, 6762), (3381, 6492), (3787, 5796), (4508, 4869)]