21824012

素因数分解:

$2^2\times 7^2\times {\mathrm{111347}}^1$

素因数の和:111365

約数の個数: 18

約数和(自身を含む): 44427852

約数和(自身を除く): 22603840

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 111347, 222694, 445388, 779429, 1558858, 3117716, 5456003, 10912006, 21824012]

約数ペア:

[(1, 21824012), (2, 10912006), (4, 5456003), (7, 3117716), (14, 1558858), (28, 779429), (49, 445388), (98, 222694), (196, 111347)]