21880452872

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{6345839}}^1$

素因数の和:6346276

約数の個数: 16

約数和(自身を含む): 41121043200

約数和(自身を除く): 19240590328

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 6345839, 12691678, 25383356, 50766712, 2735056609, 5470113218, 10940226436, 21880452872]

約数ペア:

[(1, 21880452872), (2, 10940226436), (4, 5470113218), (8, 2735056609), (431, 50766712), (862, 25383356), (1724, 12691678), (3448, 6345839)]