21954394

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3853}}^1$

素因数の和:3910

約数の個数: 32

約数和(自身を含む): 42178176

約数和(自身を除く): 20223782

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3853, 5698, 7706, 26971, 42383, 53942, 84766, 142561, 285122, 296681, 593362, 997927, 1568171, 1995854, 3136342, 10977197, 21954394]

約数ペア:

[(1, 21954394), (2, 10977197), (7, 3136342), (11, 1995854), (14, 1568171), (22, 997927), (37, 593362), (74, 296681), (77, 285122), (154, 142561), (259, 84766), (407, 53942), (518, 42383), (814, 26971), (2849, 7706), (3853, 5698)]