21466115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1409}}^1$

素因数の和:1702

約数の個数: 16

約数和(自身を含む): 28222560

約数和(自身を除く): 6756445

約数列:

[1, 5, 11, 55, 277, 1385, 1409, 3047, 7045, 15235, 15499, 77495, 390293, 1951465, 4293223, 21466115]

約数ペア:

[(1, 21466115), (5, 4293223), (11, 1951465), (55, 390293), (277, 77495), (1385, 15499), (1409, 15235), (3047, 7045)]