21561972

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{48563}}^1$

素因数の和:48607

約数の個数: 24

約数和(自身を含む): 51672096

約数和(自身を除く): 30110124

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 48563, 97126, 145689, 194252, 291378, 582756, 1796831, 3593662, 5390493, 7187324, 10780986, 21561972]

約数ペア:

[(1, 21561972), (2, 10780986), (3, 7187324), (4, 5390493), (6, 3593662), (12, 1796831), (37, 582756), (74, 291378), (111, 194252), (148, 145689), (222, 97126), (444, 48563)]