21236955

素因数分解:

$3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2617}}^1$

素因数の和:3166

約数の個数: 16

約数和(自身を含む): 34054944

約数和(自身を除く): 12817989

約数列:

[1, 3, 5, 15, 541, 1623, 2617, 2705, 7851, 8115, 13085, 39255, 1415797, 4247391, 7078985, 21236955]

約数ペア:

[(1, 21236955), (3, 7078985), (5, 4247391), (15, 1415797), (541, 39255), (1623, 13085), (2617, 8115), (2705, 7851)]