21339814

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8753}}^1$

素因数の和:8831

約数の個数: 16

約数和(自身を含む): 34035552

約数和(自身を除く): 12695738

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8753, 17506, 201319, 402638, 463909, 927818, 10669907, 21339814]

約数ペア:

[(1, 21339814), (2, 10669907), (23, 927818), (46, 463909), (53, 402638), (106, 201319), (1219, 17506), (2438, 8753)]