21104109

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2957}}^1$

素因数の和:3037

約数の個数: 24

約数和(自身を含む): 33378072

約数和(自身を除く): 12273963

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2957, 7137, 8871, 26613, 38441, 115323, 180377, 345969, 541131, 1623393, 2344901, 7034703, 21104109]

約数ペア:

[(1, 21104109), (3, 7034703), (9, 2344901), (13, 1623393), (39, 541131), (61, 345969), (117, 180377), (183, 115323), (549, 38441), (793, 26613), (2379, 8871), (2957, 7137)]