21260368

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{3083}}^1$

素因数の和:3522

約数の個数: 20

約数和(自身を含む): 41300928

約数和(自身を除く): 20040560

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3083, 3448, 6166, 6896, 12332, 24664, 49328, 1328773, 2657546, 5315092, 10630184, 21260368]

約数ペア:

[(1, 21260368), (2, 10630184), (4, 5315092), (8, 2657546), (16, 1328773), (431, 49328), (862, 24664), (1724, 12332), (3083, 6896), (3448, 6166)]