21961044

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 120

約数和(自身を含む): 68627328

約数和(自身を除く): 46666284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 189, 207, 252, 276, 322, 324, 378, 414, 421, 483, 567, 621, 644, 756, 828, 842, 966, 1134, 1242, 1263, 1449, 1684, 1863, 1932, 2268, 2484, 2526, 2898, 2947, 3726, 3789, 4347, 5052, 5796, 5894, 7452, 7578, 8694, 8841, 9683, 11367, 11788, 13041, 15156, 17388, 17682, 19366, 22734, 26082, 26523, 29049, 34101, 35364, 38732, 45468, 52164, 53046, 58098, 67781, 68202, 79569, 87147, 106092, 116196, 135562, 136404, 159138, 174294, 203343, 238707, 261441, 271124, 318276, 348588, 406686, 477414, 522882, 610029, 784323, 813372, 954828, 1045764, 1220058, 1568646, 1830087, 2440116, 3137292, 3660174, 5490261, 7320348, 10980522, 21961044]

約数ペア:

[(1, 21961044), (2, 10980522), (3, 7320348), (4, 5490261), (6, 3660174), (7, 3137292), (9, 2440116), (12, 1830087), (14, 1568646), (18, 1220058), (21, 1045764), (23, 954828), (27, 813372), (28, 784323), (36, 610029), (42, 522882), (46, 477414), (54, 406686), (63, 348588), (69, 318276), (81, 271124), (84, 261441), (92, 238707), (108, 203343), (126, 174294), (138, 159138), (161, 136404), (162, 135562), (189, 116196), (207, 106092), (252, 87147), (276, 79569), (322, 68202), (324, 67781), (378, 58098), (414, 53046), (421, 52164), (483, 45468), (567, 38732), (621, 35364), (644, 34101), (756, 29049), (828, 26523), (842, 26082), (966, 22734), (1134, 19366), (1242, 17682), (1263, 17388), (1449, 15156), (1684, 13041), (1863, 11788), (1932, 11367), (2268, 9683), (2484, 8841), (2526, 8694), (2898, 7578), (2947, 7452), (3726, 5894), (3789, 5796), (4347, 5052)]