21407856

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{14387}}^1$

素因数の和:14429

約数の個数: 40

約数和(自身を含む): 57091584

約数和(自身を除く): 35683728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 14387, 28774, 43161, 57548, 86322, 115096, 172644, 230192, 345288, 445997, 690576, 891994, 1337991, 1783988, 2675982, 3567976, 5351964, 7135952, 10703928, 21407856]

約数ペア:

[(1, 21407856), (2, 10703928), (3, 7135952), (4, 5351964), (6, 3567976), (8, 2675982), (12, 1783988), (16, 1337991), (24, 891994), (31, 690576), (48, 445997), (62, 345288), (93, 230192), (124, 172644), (186, 115096), (248, 86322), (372, 57548), (496, 43161), (744, 28774), (1488, 14387)]