21386886

素因数分解:

$2^1\times 3^1\times {\mathrm{727}}^1\times {\mathrm{4903}}^1$

素因数の和:5635

約数の個数: 16

約数和(自身を含む): 42841344

約数和(自身を除く): 21454458

約数列:

[1, 2, 3, 6, 727, 1454, 2181, 4362, 4903, 9806, 14709, 29418, 3564481, 7128962, 10693443, 21386886]

約数ペア:

[(1, 21386886), (2, 10693443), (3, 7128962), (6, 3564481), (727, 29418), (1454, 14709), (2181, 9806), (4362, 4903)]