21004534

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{599}}^1$

素因数の和:887

約数の個数: 16

約数和(自身を含む): 32076000

約数和(自身を除く): 11071466

約数列:

[1, 2, 89, 178, 197, 394, 599, 1198, 17533, 35066, 53311, 106622, 118003, 236006, 10502267, 21004534]

約数ペア:

[(1, 21004534), (2, 10502267), (89, 236006), (178, 118003), (197, 106622), (394, 53311), (599, 35066), (1198, 17533)]