21147588

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2543}}^1$

素因数の和:2574

約数の個数: 96

約数和(自身を含む): 68382720

約数和(自身を除く): 47235132

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 84, 99, 108, 126, 132, 154, 189, 198, 231, 252, 297, 308, 378, 396, 462, 594, 693, 756, 924, 1188, 1386, 2079, 2543, 2772, 4158, 5086, 7629, 8316, 10172, 15258, 17801, 22887, 27973, 30516, 35602, 45774, 53403, 55946, 68661, 71204, 83919, 91548, 106806, 111892, 137322, 160209, 167838, 195811, 213612, 251757, 274644, 320418, 335676, 391622, 480627, 503514, 587433, 640836, 755271, 783244, 961254, 1007028, 1174866, 1510542, 1762299, 1922508, 2349732, 3021084, 3524598, 5286897, 7049196, 10573794, 21147588]

約数ペア:

[(1, 21147588), (2, 10573794), (3, 7049196), (4, 5286897), (6, 3524598), (7, 3021084), (9, 2349732), (11, 1922508), (12, 1762299), (14, 1510542), (18, 1174866), (21, 1007028), (22, 961254), (27, 783244), (28, 755271), (33, 640836), (36, 587433), (42, 503514), (44, 480627), (54, 391622), (63, 335676), (66, 320418), (77, 274644), (84, 251757), (99, 213612), (108, 195811), (126, 167838), (132, 160209), (154, 137322), (189, 111892), (198, 106806), (231, 91548), (252, 83919), (297, 71204), (308, 68661), (378, 55946), (396, 53403), (462, 45774), (594, 35602), (693, 30516), (756, 27973), (924, 22887), (1188, 17801), (1386, 15258), (2079, 10172), (2543, 8316), (2772, 7629), (4158, 5086)]