21162456

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 66144000

約数和(自身を除く): 44981544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 199, 211, 252, 398, 422, 504, 597, 633, 796, 844, 1194, 1266, 1393, 1477, 1592, 1688, 1791, 1899, 2388, 2532, 2786, 2954, 3582, 3798, 4179, 4431, 4776, 5064, 5572, 5908, 7164, 7596, 8358, 8862, 11144, 11816, 12537, 13293, 14328, 15192, 16716, 17724, 25074, 26586, 33432, 35448, 41989, 50148, 53172, 83978, 100296, 106344, 125967, 167956, 251934, 293923, 335912, 377901, 503868, 587846, 755802, 881769, 1007736, 1175692, 1511604, 1763538, 2351384, 2645307, 3023208, 3527076, 5290614, 7054152, 10581228, 21162456]

約数ペア:

[(1, 21162456), (2, 10581228), (3, 7054152), (4, 5290614), (6, 3527076), (7, 3023208), (8, 2645307), (9, 2351384), (12, 1763538), (14, 1511604), (18, 1175692), (21, 1007736), (24, 881769), (28, 755802), (36, 587846), (42, 503868), (56, 377901), (63, 335912), (72, 293923), (84, 251934), (126, 167956), (168, 125967), (199, 106344), (211, 100296), (252, 83978), (398, 53172), (422, 50148), (504, 41989), (597, 35448), (633, 33432), (796, 26586), (844, 25074), (1194, 17724), (1266, 16716), (1393, 15192), (1477, 14328), (1592, 13293), (1688, 12537), (1791, 11816), (1899, 11144), (2388, 8862), (2532, 8358), (2786, 7596), (2954, 7164), (3582, 5908), (3798, 5572), (4179, 5064), (4431, 4776)]