21073679

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1709}}^1$

素因数の和:1798

約数の個数: 16

約数和(自身を含む): 24624000

約数和(自身を除く): 3550321

約数列:

[1, 11, 19, 59, 209, 649, 1121, 1709, 12331, 18799, 32471, 100831, 357181, 1109141, 1915789, 21073679]

約数ペア:

[(1, 21073679), (11, 1915789), (19, 1109141), (59, 357181), (209, 100831), (649, 32471), (1121, 18799), (1709, 12331)]