21409904

素因数分解:

$2^4\times {\mathrm{233}}^1\times {\mathrm{5743}}^1$

素因数の和:5984

約数の個数: 20

約数和(自身を含む): 41666976

約数和(自身を除く): 20257072

約数列:

[1, 2, 4, 8, 16, 233, 466, 932, 1864, 3728, 5743, 11486, 22972, 45944, 91888, 1338119, 2676238, 5352476, 10704952, 21409904]

約数ペア:

[(1, 21409904), (2, 10704952), (4, 5352476), (8, 2676238), (16, 1338119), (233, 91888), (466, 45944), (932, 22972), (1864, 11486), (3728, 5743)]