21809770

素因数分解:

$2^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3833}}^1$

素因数の和:4409

約数の個数: 16

約数和(自身を含む): 39336840

約数和(自身を除く): 17527070

約数列:

[1, 2, 5, 10, 569, 1138, 2845, 3833, 5690, 7666, 19165, 38330, 2180977, 4361954, 10904885, 21809770]

約数ペア:

[(1, 21809770), (2, 10904885), (5, 4361954), (10, 2180977), (569, 38330), (1138, 19165), (2845, 7666), (3833, 5690)]