21598047

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 32485440

約数和(自身を除く): 10887393

約数列:

[1, 3, 9, 37, 79, 111, 237, 333, 711, 821, 2463, 2923, 7389, 8769, 26307, 30377, 64859, 91131, 194577, 273393, 583731, 2399783, 7199349, 21598047]

約数ペア:

[(1, 21598047), (3, 7199349), (9, 2399783), (37, 583731), (79, 273393), (111, 194577), (237, 91131), (333, 64859), (711, 30377), (821, 26307), (2463, 8769), (2923, 7389)]