21626860

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3821}}^1$

素因数の和:4113

約数の個数: 24

約数和(自身を含む): 45588816

約数和(自身を除く): 23961956

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3821, 5660, 7642, 15284, 19105, 38210, 76420, 1081343, 2162686, 4325372, 5406715, 10813430, 21626860]

約数ペア:

[(1, 21626860), (2, 10813430), (4, 5406715), (5, 4325372), (10, 2162686), (20, 1081343), (283, 76420), (566, 38210), (1132, 19105), (1415, 15284), (2830, 7642), (3821, 5660)]