21435456

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 112

約数和(自身を含む): 66568320

約数和(自身を除く): 45132864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 56, 64, 82, 84, 96, 112, 123, 164, 168, 192, 224, 246, 287, 328, 336, 389, 448, 492, 574, 656, 672, 778, 861, 984, 1148, 1167, 1312, 1344, 1556, 1722, 1968, 2296, 2334, 2624, 2723, 3112, 3444, 3936, 4592, 4668, 5446, 6224, 6888, 7872, 8169, 9184, 9336, 10892, 12448, 13776, 15949, 16338, 18368, 18672, 21784, 24896, 27552, 31898, 32676, 37344, 43568, 47847, 55104, 63796, 65352, 74688, 87136, 95694, 111643, 127592, 130704, 174272, 191388, 223286, 255184, 261408, 334929, 382776, 446572, 510368, 522816, 669858, 765552, 893144, 1020736, 1339716, 1531104, 1786288, 2679432, 3062208, 3572576, 5358864, 7145152, 10717728, 21435456]

約数ペア:

[(1, 21435456), (2, 10717728), (3, 7145152), (4, 5358864), (6, 3572576), (7, 3062208), (8, 2679432), (12, 1786288), (14, 1531104), (16, 1339716), (21, 1020736), (24, 893144), (28, 765552), (32, 669858), (41, 522816), (42, 510368), (48, 446572), (56, 382776), (64, 334929), (82, 261408), (84, 255184), (96, 223286), (112, 191388), (123, 174272), (164, 130704), (168, 127592), (192, 111643), (224, 95694), (246, 87136), (287, 74688), (328, 65352), (336, 63796), (389, 55104), (448, 47847), (492, 43568), (574, 37344), (656, 32676), (672, 31898), (778, 27552), (861, 24896), (984, 21784), (1148, 18672), (1167, 18368), (1312, 16338), (1344, 15949), (1556, 13776), (1722, 12448), (1968, 10892), (2296, 9336), (2334, 9184), (2624, 8169), (2723, 7872), (3112, 6888), (3444, 6224), (3936, 5446), (4592, 4668)]