21892612

素因数分解:

$2^2\times 7^2\times {\mathrm{111697}}^1$

素因数の和:111715

約数の個数: 18

約数和(自身を含む): 44567502

約数和(自身を除く): 22674890

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 111697, 223394, 446788, 781879, 1563758, 3127516, 5473153, 10946306, 21892612]

約数ペア:

[(1, 21892612), (2, 10946306), (4, 5473153), (7, 3127516), (14, 1563758), (28, 781879), (49, 446788), (98, 223394), (196, 111697)]