21830991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79967}}^1$

素因数の和:79990

約数の個数: 16

約数和(自身を含む): 35825664

約数和(自身を除く): 13994673

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 79967, 239901, 559769, 1039571, 1679307, 3118713, 7276997, 21830991]

約数ペア:

[(1, 21830991), (3, 7276997), (7, 3118713), (13, 1679307), (21, 1039571), (39, 559769), (91, 239901), (273, 79967)]