21854371

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9787}}^1$

素因数の和:9834

約数の個数: 16

約数和(自身を含む): 28189440

約数和(自身を除く): 6335069

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9787, 68509, 107657, 283823, 753599, 1986761, 3122053, 21854371]

約数ペア:

[(1, 21854371), (7, 3122053), (11, 1986761), (29, 753599), (77, 283823), (203, 107657), (319, 68509), (2233, 9787)]