21426384

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 64773632

約数和(自身を除く): 43347248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1483, 1806, 2064, 2408, 2966, 3612, 4449, 4816, 5932, 7224, 8898, 10381, 11864, 14448, 17796, 20762, 23728, 31143, 35592, 41524, 62286, 63769, 71184, 83048, 124572, 127538, 166096, 191307, 249144, 255076, 382614, 446383, 498288, 510152, 765228, 892766, 1020304, 1339149, 1530456, 1785532, 2678298, 3060912, 3571064, 5356596, 7142128, 10713192, 21426384]

約数ペア:

[(1, 21426384), (2, 10713192), (3, 7142128), (4, 5356596), (6, 3571064), (7, 3060912), (8, 2678298), (12, 1785532), (14, 1530456), (16, 1339149), (21, 1020304), (24, 892766), (28, 765228), (42, 510152), (43, 498288), (48, 446383), (56, 382614), (84, 255076), (86, 249144), (112, 191307), (129, 166096), (168, 127538), (172, 124572), (258, 83048), (301, 71184), (336, 63769), (344, 62286), (516, 41524), (602, 35592), (688, 31143), (903, 23728), (1032, 20762), (1204, 17796), (1483, 14448), (1806, 11864), (2064, 10381), (2408, 8898), (2966, 7224), (3612, 5932), (4449, 4816)]