21887852

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1741}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 43898400

約数和(自身を除く): 22010548

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1741, 1796, 3143, 3482, 6286, 6964, 12187, 12572, 24374, 48748, 781709, 1563418, 3126836, 5471963, 10943926, 21887852]

約数ペア:

[(1, 21887852), (2, 10943926), (4, 5471963), (7, 3126836), (14, 1563418), (28, 781709), (449, 48748), (898, 24374), (1741, 12572), (1796, 12187), (3143, 6964), (3482, 6286)]