21609010

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15773}}^1$

素因数の和:15917

約数の個数: 16

約数和(自身を含む): 39182616

約数和(自身を除く): 17573606

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 15773, 31546, 78865, 157730, 2160901, 4321802, 10804505, 21609010]

約数ペア:

[(1, 21609010), (2, 10804505), (5, 4321802), (10, 2160901), (137, 157730), (274, 78865), (685, 31546), (1370, 15773)]