21360483

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 33825600

約数和(自身を除く): 12465117

約数列:

[1, 3, 9, 17, 27, 51, 153, 173, 269, 459, 519, 807, 1557, 2421, 2941, 4573, 4671, 7263, 8823, 13719, 26469, 41157, 46537, 79407, 123471, 139611, 418833, 791129, 1256499, 2373387, 7120161, 21360483]

約数ペア:

[(1, 21360483), (3, 7120161), (9, 2373387), (17, 1256499), (27, 791129), (51, 418833), (153, 139611), (173, 123471), (269, 79407), (459, 46537), (519, 41157), (807, 26469), (1557, 13719), (2421, 8823), (2941, 7263), (4573, 4671)]