21394352

素因数分解:

$2^4\times 7^1\times {\mathrm{191021}}^1$

素因数の和:191036

約数の個数: 20

約数和(自身を含む): 47373456

約数和(自身を除く): 25979104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191021, 382042, 764084, 1337147, 1528168, 2674294, 3056336, 5348588, 10697176, 21394352]

約数ペア:

[(1, 21394352), (2, 10697176), (4, 5348588), (7, 3056336), (8, 2674294), (14, 1528168), (16, 1337147), (28, 764084), (56, 382042), (112, 191021)]