21000768279

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{6229}}^1\times {\mathrm{23911}}^1$

素因数の和:30190

約数の個数: 16

約数和(自身を含む): 28602577920

約数和(自身を除く): 7601809641

約数列:

[1, 3, 47, 141, 6229, 18687, 23911, 71733, 292763, 878289, 1123817, 3371451, 148941619, 446824857, 7000256093, 21000768279]

約数ペア:

[(1, 21000768279), (3, 7000256093), (47, 446824857), (141, 148941619), (6229, 3371451), (18687, 1123817), (23911, 878289), (71733, 292763)]