21183110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162947}}^1$

素因数の和:162967

約数の個数: 16

約数和(自身を含む): 41062896

約数和(自身を除く): 19879786

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 162947, 325894, 814735, 1629470, 2118311, 4236622, 10591555, 21183110]

約数ペア:

[(1, 21183110), (2, 10591555), (5, 4236622), (10, 2118311), (13, 1629470), (26, 814735), (65, 325894), (130, 162947)]