21194199

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2293}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 33400640

約数和(自身を除く): 12206441

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 2293, 3081, 6879, 9243, 20637, 29809, 89427, 181147, 268281, 543441, 1630323, 2354911, 7064733, 21194199]

約数ペア:

[(1, 21194199), (3, 7064733), (9, 2354911), (13, 1630323), (39, 543441), (79, 268281), (117, 181147), (237, 89427), (711, 29809), (1027, 20637), (2293, 9243), (3081, 6879)]