21561648

素因数分解:

$2^4\times 3^1\times {\mathrm{449201}}^1$

素因数の和:449212

約数の個数: 20

約数和(自身を含む): 55701048

約数和(自身を除く): 34139400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449201, 898402, 1347603, 1796804, 2695206, 3593608, 5390412, 7187216, 10780824, 21561648]

約数ペア:

[(1, 21561648), (2, 10780824), (3, 7187216), (4, 5390412), (6, 3593608), (8, 2695206), (12, 1796804), (16, 1347603), (24, 898402), (48, 449201)]