21467080

素因数分解:

$2^3\times 5^1\times {\mathrm{536677}}^1$

素因数の和:536688

約数の個数: 16

約数和(自身を含む): 48301020

約数和(自身を除く): 26833940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 536677, 1073354, 2146708, 2683385, 4293416, 5366770, 10733540, 21467080]

約数ペア:

[(1, 21467080), (2, 10733540), (4, 5366770), (5, 4293416), (8, 2683385), (10, 2146708), (20, 1073354), (40, 536677)]