19821021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{7603}}^1$

素因数の和:7696

約数の個数: 16

約数和(自身を含む): 29199360

約数和(自身を除く): 9378339

約数列:

[1, 3, 11, 33, 79, 237, 869, 2607, 7603, 22809, 83633, 250899, 600637, 1801911, 6607007, 19821021]

約数ペア:

[(1, 19821021), (3, 6607007), (11, 1801911), (33, 600637), (79, 250899), (237, 83633), (869, 22809), (2607, 7603)]