21907192

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{38569}}^1$

素因数の和:38646

約数の個数: 16

約数和(自身を含む): 41655600

約数和(自身を除く): 19748408

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 38569, 77138, 154276, 308552, 2738399, 5476798, 10953596, 21907192]

約数ペア:

[(1, 21907192), (2, 10953596), (4, 5476798), (8, 2738399), (71, 308552), (142, 154276), (284, 77138), (568, 38569)]