21158045286391

素因数分解:

${\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{433}}^1\times {\mathrm{1151933}}^1$

素因数の和:1152643

約数の個数: 24

約数和(自身を含む): 23055203341296

約数和(自身を除く): 1897158054905

約数列:

[1, 13, 169, 251, 433, 3263, 5629, 42419, 73177, 108683, 1151933, 1412879, 14975129, 18367427, 194676677, 289135183, 498786989, 3758757379, 6484230857, 48863845927, 84295001141, 125195534239, 1627541945107, 21158045286391]

約数ペア:

[(1, 21158045286391), (13, 1627541945107), (169, 125195534239), (251, 84295001141), (433, 48863845927), (3263, 6484230857), (5629, 3758757379), (42419, 498786989), (73177, 289135183), (108683, 194676677), (1151933, 18367427), (1412879, 14975129)]