21562851

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2693}}^1$

素因数の和:2870

約数の個数: 16

約数和(自身を含む): 30646944

約数和(自身を除く): 9084093

約数列:

[1, 3, 17, 51, 157, 471, 2669, 2693, 8007, 8079, 45781, 137343, 422801, 1268403, 7187617, 21562851]

約数ペア:

[(1, 21562851), (3, 7187617), (17, 1268403), (51, 422801), (157, 137343), (471, 45781), (2669, 8079), (2693, 8007)]