21493146753

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{10357}}^1\times {\mathrm{17737}}^1$

素因数の和:28113

約数の個数: 24

約数和(自身を含む): 33438897128

約数和(自身を除く): 11945750375

約数列:

[1, 3, 9, 13, 39, 117, 10357, 17737, 31071, 53211, 93213, 134641, 159633, 230581, 403923, 691743, 1211769, 2075229, 183702109, 551106327, 1653318981, 2388127417, 7164382251, 21493146753]

約数ペア:

[(1, 21493146753), (3, 7164382251), (9, 2388127417), (13, 1653318981), (39, 551106327), (117, 183702109), (10357, 2075229), (17737, 1211769), (31071, 691743), (53211, 403923), (93213, 230581), (134641, 159633)]