21705126

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{50951}}^1$

素因数の和:51027

約数の個数: 16

約数和(自身を含む): 44022528

約数和(自身を除く): 22317402

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 50951, 101902, 152853, 305706, 3617521, 7235042, 10852563, 21705126]

約数ペア:

[(1, 21705126), (2, 10852563), (3, 7235042), (6, 3617521), (71, 305706), (142, 152853), (213, 101902), (426, 50951)]