21809290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94823}}^1$

素因数の和:94853

約数の個数: 16

約数和(自身を含む): 40963968

約数和(自身を除く): 19154678

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 94823, 189646, 474115, 948230, 2180929, 4361858, 10904645, 21809290]

約数ペア:

[(1, 21809290), (2, 10904645), (5, 4361858), (10, 2180929), (23, 948230), (46, 474115), (115, 189646), (230, 94823)]