21476546

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{599}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 18440254

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 197, 394, 599, 1198, 1379, 2561, 2758, 4193, 5122, 7787, 8386, 15574, 17927, 35854, 54509, 109018, 118003, 236006, 826021, 1534039, 1652042, 3068078, 10738273, 21476546]

約数ペア:

[(1, 21476546), (2, 10738273), (7, 3068078), (13, 1652042), (14, 1534039), (26, 826021), (91, 236006), (182, 118003), (197, 109018), (394, 54509), (599, 35854), (1198, 17927), (1379, 15574), (2561, 8386), (2758, 7787), (4193, 5122)]