21000565683

素因数分解:

$3^5\times {\mathrm{107}}^1\times {\mathrm{229}}^1\times {\mathrm{3527}}^1$

素因数の和:3878

約数の個数: 48

約数和(自身を含む): 31899329280

約数和(自身を除く): 10898763597

約数列:

[1, 3, 9, 27, 81, 107, 229, 243, 321, 687, 963, 2061, 2889, 3527, 6183, 8667, 10581, 18549, 24503, 26001, 31743, 55647, 73509, 95229, 220527, 285687, 377389, 661581, 807683, 857061, 1132167, 1984743, 2423049, 3396501, 5954229, 7269147, 10189503, 21807441, 30568509, 65422323, 86422081, 91705527, 196266969, 259266243, 777798729, 2333396187, 7000188561, 21000565683]

約数ペア:

[(1, 21000565683), (3, 7000188561), (9, 2333396187), (27, 777798729), (81, 259266243), (107, 196266969), (229, 91705527), (243, 86422081), (321, 65422323), (687, 30568509), (963, 21807441), (2061, 10189503), (2889, 7269147), (3527, 5954229), (6183, 3396501), (8667, 2423049), (10581, 1984743), (18549, 1132167), (24503, 857061), (26001, 807683), (31743, 661581), (55647, 377389), (73509, 285687), (95229, 220527)]