21784444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15971}}^1$

素因数の和:16017

約数の個数: 24

約数和(自身を含む): 42932736

約数和(自身を除く): 21148292

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15971, 31942, 63884, 175681, 351362, 495101, 702724, 990202, 1980404, 5446111, 10892222, 21784444]

約数ペア:

[(1, 21784444), (2, 10892222), (4, 5446111), (11, 1980404), (22, 990202), (31, 702724), (44, 495101), (62, 351362), (124, 175681), (341, 63884), (682, 31942), (1364, 15971)]