21880592

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{20411}}^1$

素因数の和:20486

約数の個数: 20

約数和(自身を含む): 43028496

約数和(自身を除く): 21147904

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 20411, 40822, 81644, 163288, 326576, 1367537, 2735074, 5470148, 10940296, 21880592]

約数ペア:

[(1, 21880592), (2, 10940296), (4, 5470148), (8, 2735074), (16, 1367537), (67, 326576), (134, 163288), (268, 81644), (536, 40822), (1072, 20411)]