21966555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 38191104

約数和(自身を除く): 16224549

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 887, 1651, 1905, 2661, 4435, 4953, 8255, 11531, 13305, 24765, 34593, 57655, 112649, 172965, 337947, 563245, 1464437, 1689735, 4393311, 7322185, 21966555]

約数ペア:

[(1, 21966555), (3, 7322185), (5, 4393311), (13, 1689735), (15, 1464437), (39, 563245), (65, 337947), (127, 172965), (195, 112649), (381, 57655), (635, 34593), (887, 24765), (1651, 13305), (1905, 11531), (2661, 8255), (4435, 4953)]