21922064

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{10459}}^1$

素因数の和:10598

約数の個数: 20

約数和(自身を含む): 42802320

約数和(自身を除く): 20880256

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 10459, 20918, 41836, 83672, 167344, 1370129, 2740258, 5480516, 10961032, 21922064]

約数ペア:

[(1, 21922064), (2, 10961032), (4, 5480516), (8, 2740258), (16, 1370129), (131, 167344), (262, 83672), (524, 41836), (1048, 20918), (2096, 10459)]