21645610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{309223}}^1$

素因数の和:309237

約数の個数: 16

約数和(自身を含む): 44528256

約数和(自身を除く): 22882646

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 309223, 618446, 1546115, 2164561, 3092230, 4329122, 10822805, 21645610]

約数ペア:

[(1, 21645610), (2, 10822805), (5, 4329122), (7, 3092230), (10, 2164561), (14, 1546115), (35, 618446), (70, 309223)]