21801897

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6011}}^1$

素因数の和:6061

約数の個数: 24

約数和(自身を含む): 35013888

約数和(自身を除く): 13211991

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 6011, 18033, 54099, 78143, 186341, 234429, 559023, 703287, 1677069, 2422433, 7267299, 21801897]

約数ペア:

[(1, 21801897), (3, 7267299), (9, 2422433), (13, 1677069), (31, 703287), (39, 559023), (93, 234429), (117, 186341), (279, 78143), (403, 54099), (1209, 18033), (3627, 6011)]