21000434716

素因数分解:

$2^2\times {\mathrm{659}}^1\times {\mathrm{7966781}}^1$

素因数の和:7967444

約数の個数: 12

約数和(自身を含む): 36806532840

約数和(自身を除く): 15806098124

約数列:

[1, 2, 4, 659, 1318, 2636, 7966781, 15933562, 31867124, 5250108679, 10500217358, 21000434716]

約数ペア:

[(1, 21000434716), (2, 10500217358), (4, 5250108679), (659, 31867124), (1318, 15933562), (2636, 7966781)]