21375409

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{757}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 24886656

約数和(自身を除く): 3511247

約数列:

[1, 11, 17, 151, 187, 757, 1661, 2567, 8327, 12869, 28237, 114307, 141559, 1257377, 1943219, 21375409]

約数ペア:

[(1, 21375409), (11, 1943219), (17, 1257377), (151, 141559), (187, 114307), (757, 28237), (1661, 12869), (2567, 8327)]