21189480003

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{2617}}^1\times {\mathrm{29021}}^1$

素因数の和:31675

約数の個数: 24

約数和(自身を含む): 31607511936

約数和(自身を除く): 10418031933

約数列:

[1, 3, 9, 31, 93, 279, 2617, 7851, 23553, 29021, 81127, 87063, 243381, 261189, 730143, 899651, 2698953, 8096859, 75947957, 227843871, 683531613, 2354386667, 7063160001, 21189480003]

約数ペア:

[(1, 21189480003), (3, 7063160001), (9, 2354386667), (31, 683531613), (93, 227843871), (279, 75947957), (2617, 8096859), (7851, 2698953), (23553, 899651), (29021, 730143), (81127, 261189), (87063, 243381)]