21839337

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2557}}^1$

素因数の和:2649

約数の個数: 24

約数和(自身を含む): 34451144

約数和(自身を除く): 12611807

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2557, 2847, 7671, 8541, 23013, 33241, 99723, 186661, 299169, 559983, 1679949, 2426593, 7279779, 21839337]

約数ペア:

[(1, 21839337), (3, 7279779), (9, 2426593), (13, 1679949), (39, 559983), (73, 299169), (117, 186661), (219, 99723), (657, 33241), (949, 23013), (2557, 8541), (2847, 7671)]