21043344

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:437

約数の個数: 120

約数和(自身を含む): 66156480

約数和(自身を除く): 45113136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 49, 56, 69, 84, 92, 98, 112, 138, 147, 161, 168, 184, 196, 276, 294, 322, 336, 368, 389, 392, 483, 552, 588, 644, 778, 784, 966, 1104, 1127, 1167, 1176, 1288, 1556, 1932, 2254, 2334, 2352, 2576, 2723, 3112, 3381, 3864, 4508, 4668, 5446, 6224, 6762, 7728, 8169, 8947, 9016, 9336, 10892, 13524, 16338, 17894, 18032, 18672, 19061, 21784, 26841, 27048, 32676, 35788, 38122, 43568, 53682, 54096, 57183, 62629, 65352, 71576, 76244, 107364, 114366, 125258, 130704, 143152, 152488, 187887, 214728, 228732, 250516, 304976, 375774, 429456, 438403, 457464, 501032, 751548, 876806, 914928, 1002064, 1315209, 1503096, 1753612, 2630418, 3006192, 3507224, 5260836, 7014448, 10521672, 21043344]

約数ペア:

[(1, 21043344), (2, 10521672), (3, 7014448), (4, 5260836), (6, 3507224), (7, 3006192), (8, 2630418), (12, 1753612), (14, 1503096), (16, 1315209), (21, 1002064), (23, 914928), (24, 876806), (28, 751548), (42, 501032), (46, 457464), (48, 438403), (49, 429456), (56, 375774), (69, 304976), (84, 250516), (92, 228732), (98, 214728), (112, 187887), (138, 152488), (147, 143152), (161, 130704), (168, 125258), (184, 114366), (196, 107364), (276, 76244), (294, 71576), (322, 65352), (336, 62629), (368, 57183), (389, 54096), (392, 53682), (483, 43568), (552, 38122), (588, 35788), (644, 32676), (778, 27048), (784, 26841), (966, 21784), (1104, 19061), (1127, 18672), (1167, 18032), (1176, 17894), (1288, 16338), (1556, 13524), (1932, 10892), (2254, 9336), (2334, 9016), (2352, 8947), (2576, 8169), (2723, 7728), (3112, 6762), (3381, 6224), (3864, 5446), (4508, 4668)]