21232048

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{78059}}^1$

素因数の和:78084

約数の個数: 20

約数和(自身を含む): 43557480

約数和(自身を除く): 22325432

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 78059, 156118, 312236, 624472, 1248944, 1327003, 2654006, 5308012, 10616024, 21232048]

約数ペア:

[(1, 21232048), (2, 10616024), (4, 5308012), (8, 2654006), (16, 1327003), (17, 1248944), (34, 624472), (68, 312236), (136, 156118), (272, 78059)]