21000871397

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{138637}}^1$

素因数の和:138988

約数の個数: 16

約数和(自身を含む): 23477513472

約数和(自身を除く): 2476642075

約数列:

[1, 11, 47, 293, 517, 3223, 13771, 138637, 151481, 1525007, 6515939, 40620641, 71675329, 446827051, 1909170127, 21000871397]

約数ペア:

[(1, 21000871397), (11, 1909170127), (47, 446827051), (293, 71675329), (517, 40620641), (3223, 6515939), (13771, 1525007), (138637, 151481)]