21167768197

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{3863}}^1$

素因数の和:4297

約数の個数: 24

約数和(自身を含む): 22930737984

約数和(自身を除く): 1762969787

約数列:

[1, 19, 43, 353, 361, 817, 3863, 6707, 15179, 15523, 73397, 127433, 166109, 288401, 1363639, 1394543, 3156071, 5479619, 25909141, 58636477, 59965349, 492273679, 1114093063, 21167768197]

約数ペア:

[(1, 21167768197), (19, 1114093063), (43, 492273679), (353, 59965349), (361, 58636477), (817, 25909141), (3863, 5479619), (6707, 3156071), (15179, 1394543), (15523, 1363639), (73397, 288401), (127433, 166109)]