21087594

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 30614166

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 131, 198, 262, 271, 297, 393, 542, 594, 786, 813, 1179, 1441, 1626, 2358, 2439, 2882, 2981, 3537, 4323, 4878, 5962, 7074, 7317, 8646, 8943, 12969, 14634, 17886, 25938, 26829, 35501, 38907, 53658, 71002, 77814, 80487, 106503, 160974, 213006, 319509, 390511, 639018, 781022, 958527, 1171533, 1917054, 2343066, 3514599, 7029198, 10543797, 21087594]

約数ペア:

[(1, 21087594), (2, 10543797), (3, 7029198), (6, 3514599), (9, 2343066), (11, 1917054), (18, 1171533), (22, 958527), (27, 781022), (33, 639018), (54, 390511), (66, 319509), (99, 213006), (131, 160974), (198, 106503), (262, 80487), (271, 77814), (297, 71002), (393, 53658), (542, 38907), (594, 35501), (786, 26829), (813, 25938), (1179, 17886), (1441, 14634), (1626, 12969), (2358, 8943), (2439, 8646), (2882, 7317), (2981, 7074), (3537, 5962), (4323, 4878)]