21322521

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{2659}}^1$

素因数の和:2688

約数の個数: 28

約数和(自身を含む): 34888560

約数和(自身を除く): 13566039

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 2659, 2673, 7977, 8019, 23931, 29249, 71793, 87747, 215379, 263241, 646137, 789723, 1938411, 2369169, 7107507, 21322521]

約数ペア:

[(1, 21322521), (3, 7107507), (9, 2369169), (11, 1938411), (27, 789723), (33, 646137), (81, 263241), (99, 215379), (243, 87747), (297, 71793), (729, 29249), (891, 23931), (2659, 8019), (2673, 7977)]