21354722

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2281}}^1$

素因数の和:2465

約数の個数: 16

約数和(自身を含む): 33298944

約数和(自身を除く): 11944222

約数列:

[1, 2, 31, 62, 151, 302, 2281, 4562, 4681, 9362, 70711, 141422, 344431, 688862, 10677361, 21354722]

約数ペア:

[(1, 21354722), (2, 10677361), (31, 688862), (62, 344431), (151, 141422), (302, 70711), (2281, 9362), (4562, 4681)]