21254586

素因数分解:

$2^1\times 3^1\times {\mathrm{397}}^1\times {\mathrm{8923}}^1$

素因数の和:9325

約数の個数: 16

約数和(自身を含む): 42621024

約数和(自身を除く): 21366438

約数列:

[1, 2, 3, 6, 397, 794, 1191, 2382, 8923, 17846, 26769, 53538, 3542431, 7084862, 10627293, 21254586]

約数ペア:

[(1, 21254586), (2, 10627293), (3, 7084862), (6, 3542431), (397, 53538), (794, 26769), (1191, 17846), (2382, 8923)]