21029296

素因数分解:

$2^4\times {\mathrm{823}}^1\times {\mathrm{1597}}^1$

素因数の和:2428

約数の個数: 20

約数和(自身を含む): 40819312

約数和(自身を除く): 19790016

約数列:

[1, 2, 4, 8, 16, 823, 1597, 1646, 3194, 3292, 6388, 6584, 12776, 13168, 25552, 1314331, 2628662, 5257324, 10514648, 21029296]

約数ペア:

[(1, 21029296), (2, 10514648), (4, 5257324), (8, 2628662), (16, 1314331), (823, 25552), (1597, 13168), (1646, 12776), (3194, 6584), (3292, 6388)]