21000737105

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1\times {\mathrm{105143}}^1$

素因数の和:106120

約数の個数: 16

約数和(自身を含む): 25814954880

約数和(自身を除く): 4814217775

約数列:

[1, 5, 43, 215, 929, 4645, 39947, 105143, 199735, 525715, 4521149, 22605745, 97677847, 488389235, 4200147421, 21000737105]

約数ペア:

[(1, 21000737105), (5, 4200147421), (43, 488389235), (215, 97677847), (929, 22605745), (4645, 4521149), (39947, 525715), (105143, 199735)]