21413942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2789}}^1$

素因数の和:3151

約数の個数: 16

約数和(自身を含む): 35154000

約数和(自身を除く): 13740058

約数列:

[1, 2, 11, 22, 349, 698, 2789, 3839, 5578, 7678, 30679, 61358, 973361, 1946722, 10706971, 21413942]

約数ペア:

[(1, 21413942), (2, 10706971), (11, 1946722), (22, 973361), (349, 61358), (698, 30679), (2789, 7678), (3839, 5578)]