21331156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69257}}^1$

素因数の和:69279

約数の個数: 24

約数和(自身を含む): 46541376

約数和(自身を除く): 25210220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69257, 138514, 277028, 484799, 761827, 969598, 1523654, 1939196, 3047308, 5332789, 10665578, 21331156]

約数ペア:

[(1, 21331156), (2, 10665578), (4, 5332789), (7, 3047308), (11, 1939196), (14, 1523654), (22, 969598), (28, 761827), (44, 484799), (77, 277028), (154, 138514), (308, 69257)]