2021104761

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1400627}}^1$

素因数の和:1400680

約数の個数: 16

約数和(自身を含む): 2980536384

約数和(自身を除く): 959431623

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 1400627, 4201881, 18208151, 51823199, 54624453, 155469597, 673701587, 2021104761]

約数ペア:

[(1, 2021104761), (3, 673701587), (13, 155469597), (37, 54624453), (39, 51823199), (111, 18208151), (481, 4201881), (1443, 1400627)]