21106761

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14627}}^1$

素因数の和:14680

約数の個数: 16

約数和(自身を含む): 31128384

約数和(自身を除く): 10021623

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14627, 43881, 190151, 541199, 570453, 1623597, 7035587, 21106761]

約数ペア:

[(1, 21106761), (3, 7035587), (13, 1623597), (37, 570453), (39, 541199), (111, 190151), (481, 43881), (1443, 14627)]