21639864

素因数分解:

$2^3\times 3^1\times {\mathrm{457}}^1\times {\mathrm{1973}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 54245520

約数和(自身を除く): 32605656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 457, 914, 1371, 1828, 1973, 2742, 3656, 3946, 5484, 5919, 7892, 10968, 11838, 15784, 23676, 47352, 901661, 1803322, 2704983, 3606644, 5409966, 7213288, 10819932, 21639864]

約数ペア:

[(1, 21639864), (2, 10819932), (3, 7213288), (4, 5409966), (6, 3606644), (8, 2704983), (12, 1803322), (24, 901661), (457, 47352), (914, 23676), (1371, 15784), (1828, 11838), (1973, 10968), (2742, 7892), (3656, 5919), (3946, 5484)]