21801610

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{26267}}^1$

素因数の和:26357

約数の個数: 16

約数和(自身を含む): 39717216

約数和(自身を除く): 17915606

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 26267, 52534, 131335, 262670, 2180161, 4360322, 10900805, 21801610]

約数ペア:

[(1, 21801610), (2, 10900805), (5, 4360322), (10, 2180161), (83, 262670), (166, 131335), (415, 52534), (830, 26267)]