21064066

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7901}}^1$

素因数の和:7977

約数の個数: 16

約数和(自身を含む): 33378048

約数和(自身を除く): 12313982

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7901, 15802, 244931, 339743, 489862, 679486, 10532033, 21064066]

約数ペア:

[(1, 21064066), (2, 10532033), (31, 679486), (43, 489862), (62, 339743), (86, 244931), (1333, 15802), (2666, 7901)]