21921928

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8329}}^1$

素因数の和:8389

約数の個数: 32

約数和(自身を含む): 47980800

約数和(自身を除く): 26058872

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8329, 16658, 33316, 58303, 66632, 116606, 233212, 391463, 466424, 782926, 1565852, 2740241, 3131704, 5480482, 10960964, 21921928]

約数ペア:

[(1, 21921928), (2, 10960964), (4, 5480482), (7, 3131704), (8, 2740241), (14, 1565852), (28, 782926), (47, 466424), (56, 391463), (94, 233212), (188, 116606), (329, 66632), (376, 58303), (658, 33316), (1316, 16658), (2632, 8329)]