21654545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8377}}^1$

素因数の和:8440

約数の個数: 16

約数和(自身を含む): 28954368

約数和(自身を除く): 7299823

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 8377, 41885, 92147, 393719, 460735, 1968595, 4330909, 21654545]

約数ペア:

[(1, 21654545), (5, 4330909), (11, 1968595), (47, 460735), (55, 393719), (235, 92147), (517, 41885), (2585, 8377)]