21401136530

素因数分解:

$2^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1642451}}^1$

素因数の和:1643761

約数の個数: 16

約数和(自身を含む): 38551633344

約数和(自身を除く): 17150496814

約数列:

[1, 2, 5, 10, 1303, 2606, 6515, 13030, 1642451, 3284902, 8212255, 16424510, 2140113653, 4280227306, 10700568265, 21401136530]

約数ペア:

[(1, 21401136530), (2, 10700568265), (5, 4280227306), (10, 2140113653), (1303, 16424510), (2606, 8212255), (6515, 3284902), (13030, 1642451)]