21727431

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11551}}^1$

素因数の和:11587

約数の個数: 24

約数和(自身を含む): 36042240

約数和(自身を除く): 14314809

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11551, 34653, 103959, 127061, 219469, 381183, 658407, 1143549, 1975221, 2414159, 7242477, 21727431]

約数ペア:

[(1, 21727431), (3, 7242477), (9, 2414159), (11, 1975221), (19, 1143549), (33, 658407), (57, 381183), (99, 219469), (171, 127061), (209, 103959), (627, 34653), (1881, 11551)]