21054279

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10069}}^1$

素因数の和:10130

約数の個数: 16

約数和(自身を含む): 30451680

約数和(自身を除く): 9397401

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10069, 30207, 171173, 412829, 513519, 1238487, 7018093, 21054279]

約数ペア:

[(1, 21054279), (3, 7018093), (17, 1238487), (41, 513519), (51, 412829), (123, 171173), (697, 30207), (2091, 10069)]