21660492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257863}}^1$

素因数の和:257877

約数の個数: 24

約数和(自身を含む): 57761536

約数和(自身を除く): 36101044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257863, 515726, 773589, 1031452, 1547178, 1805041, 3094356, 3610082, 5415123, 7220164, 10830246, 21660492]

約数ペア:

[(1, 21660492), (2, 10830246), (3, 7220164), (4, 5415123), (6, 3610082), (7, 3094356), (12, 1805041), (14, 1547178), (21, 1031452), (28, 773589), (42, 515726), (84, 257863)]