21396214

素因数分解:

$2^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1723}}^1$

素因数の和:2619

約数の個数: 16

約数和(自身を含む): 36741888

約数和(自身を除く): 15345674

約数列:

[1, 2, 7, 14, 887, 1723, 1774, 3446, 6209, 12061, 12418, 24122, 1528301, 3056602, 10698107, 21396214]

約数ペア:

[(1, 21396214), (2, 10698107), (7, 3056602), (14, 1528301), (887, 24122), (1723, 12418), (1774, 12061), (3446, 6209)]