21898408

素因数分解:

$2^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1021}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 47093760

約数和(自身を除く): 25195352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383, 766, 1021, 1532, 2042, 2681, 3064, 4084, 5362, 7147, 8168, 10724, 14294, 21448, 28588, 57176, 391043, 782086, 1564172, 2737301, 3128344, 5474602, 10949204, 21898408]

約数ペア:

[(1, 21898408), (2, 10949204), (4, 5474602), (7, 3128344), (8, 2737301), (14, 1564172), (28, 782086), (56, 391043), (383, 57176), (766, 28588), (1021, 21448), (1532, 14294), (2042, 10724), (2681, 8168), (3064, 7147), (4084, 5362)]