21237784

素因数分解:

$2^3\times {\mathrm{433}}^1\times {\mathrm{6131}}^1$

素因数の和:6570

約数の個数: 16

約数和(自身を含む): 39919320

約数和(自身を除く): 18681536

約数列:

[1, 2, 4, 8, 433, 866, 1732, 3464, 6131, 12262, 24524, 49048, 2654723, 5309446, 10618892, 21237784]

約数ペア:

[(1, 21237784), (2, 10618892), (4, 5309446), (8, 2654723), (433, 49048), (866, 24524), (1732, 12262), (3464, 6131)]