21363048

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 128

約数和(自身を含む): 69120000

約数和(自身を除く): 47756952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 71, 72, 84, 108, 126, 142, 168, 189, 199, 213, 216, 252, 284, 378, 398, 426, 497, 504, 568, 597, 639, 756, 796, 852, 994, 1194, 1278, 1393, 1491, 1512, 1592, 1704, 1791, 1917, 1988, 2388, 2556, 2786, 2982, 3582, 3834, 3976, 4179, 4473, 4776, 5112, 5373, 5572, 5964, 7164, 7668, 8358, 8946, 10746, 11144, 11928, 12537, 13419, 14129, 14328, 15336, 16716, 17892, 21492, 25074, 26838, 28258, 33432, 35784, 37611, 42387, 42984, 50148, 53676, 56516, 75222, 84774, 98903, 100296, 107352, 113032, 127161, 150444, 169548, 197806, 254322, 296709, 300888, 339096, 381483, 395612, 508644, 593418, 762966, 791224, 890127, 1017288, 1186836, 1525932, 1780254, 2373672, 2670381, 3051864, 3560508, 5340762, 7121016, 10681524, 21363048]

約数ペア:

[(1, 21363048), (2, 10681524), (3, 7121016), (4, 5340762), (6, 3560508), (7, 3051864), (8, 2670381), (9, 2373672), (12, 1780254), (14, 1525932), (18, 1186836), (21, 1017288), (24, 890127), (27, 791224), (28, 762966), (36, 593418), (42, 508644), (54, 395612), (56, 381483), (63, 339096), (71, 300888), (72, 296709), (84, 254322), (108, 197806), (126, 169548), (142, 150444), (168, 127161), (189, 113032), (199, 107352), (213, 100296), (216, 98903), (252, 84774), (284, 75222), (378, 56516), (398, 53676), (426, 50148), (497, 42984), (504, 42387), (568, 37611), (597, 35784), (639, 33432), (756, 28258), (796, 26838), (852, 25074), (994, 21492), (1194, 17892), (1278, 16716), (1393, 15336), (1491, 14328), (1512, 14129), (1592, 13419), (1704, 12537), (1791, 11928), (1917, 11144), (1988, 10746), (2388, 8946), (2556, 8358), (2786, 7668), (2982, 7164), (3582, 5964), (3834, 5572), (3976, 5373), (4179, 5112), (4473, 4776)]