21056409

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2287}}^1$

素因数の和:2338

約数の個数: 32

約数和(自身を含む): 35143680

約数和(自身を除く): 14087271

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 2287, 3069, 6861, 9207, 20583, 25157, 61749, 70897, 75471, 212691, 226413, 638073, 679239, 779867, 1914219, 2339601, 7018803, 21056409]

約数ペア:

[(1, 21056409), (3, 7018803), (9, 2339601), (11, 1914219), (27, 779867), (31, 679239), (33, 638073), (93, 226413), (99, 212691), (279, 75471), (297, 70897), (341, 61749), (837, 25157), (1023, 20583), (2287, 9207), (3069, 6861)]