21474416

素因数分解:

$2^4\times {\mathrm{829}}^1\times {\mathrm{1619}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 41682600

約数和(自身を除く): 20208184

約数列:

[1, 2, 4, 8, 16, 829, 1619, 1658, 3238, 3316, 6476, 6632, 12952, 13264, 25904, 1342151, 2684302, 5368604, 10737208, 21474416]

約数ペア:

[(1, 21474416), (2, 10737208), (4, 5368604), (8, 2684302), (16, 1342151), (829, 25904), (1619, 13264), (1658, 12952), (3238, 6632), (3316, 6476)]