21628269

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1433}}^1$

素因数の和:1498

約数の個数: 32

約数和(自身を含む): 35333760

約数和(自身を除く): 13705491

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1433, 1677, 4299, 5031, 12897, 15093, 18629, 38691, 55887, 61619, 167661, 184857, 502983, 554571, 801047, 1663713, 2403141, 7209423, 21628269]

約数ペア:

[(1, 21628269), (3, 7209423), (9, 2403141), (13, 1663713), (27, 801047), (39, 554571), (43, 502983), (117, 184857), (129, 167661), (351, 61619), (387, 55887), (559, 38691), (1161, 18629), (1433, 15093), (1677, 12897), (4299, 5031)]