21877016

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1621}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 47102880

約数和(自身を除く): 25225864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1621, 1687, 1928, 3242, 3374, 6484, 6748, 11347, 12968, 13496, 22694, 45388, 90776, 390661, 781322, 1562644, 2734627, 3125288, 5469254, 10938508, 21877016]

約数ペア:

[(1, 21877016), (2, 10938508), (4, 5469254), (7, 3125288), (8, 2734627), (14, 1562644), (28, 781322), (56, 390661), (241, 90776), (482, 45388), (964, 22694), (1621, 13496), (1687, 12968), (1928, 11347), (3242, 6748), (3374, 6484)]