21084102

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 51386400

約数和(自身を除く): 30302298

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 117, 169, 174, 234, 239, 261, 338, 377, 478, 507, 522, 717, 754, 1014, 1131, 1434, 1521, 2151, 2262, 3042, 3107, 3393, 4302, 4901, 6214, 6786, 6931, 9321, 9802, 13862, 14703, 18642, 20793, 27963, 29406, 40391, 41586, 44109, 55926, 62379, 80782, 88218, 90103, 121173, 124758, 180206, 242346, 270309, 363519, 540618, 727038, 810927, 1171339, 1621854, 2342678, 3514017, 7028034, 10542051, 21084102]

約数ペア:

[(1, 21084102), (2, 10542051), (3, 7028034), (6, 3514017), (9, 2342678), (13, 1621854), (18, 1171339), (26, 810927), (29, 727038), (39, 540618), (58, 363519), (78, 270309), (87, 242346), (117, 180206), (169, 124758), (174, 121173), (234, 90103), (239, 88218), (261, 80782), (338, 62379), (377, 55926), (478, 44109), (507, 41586), (522, 40391), (717, 29406), (754, 27963), (1014, 20793), (1131, 18642), (1434, 14703), (1521, 13862), (2151, 9802), (2262, 9321), (3042, 6931), (3107, 6786), (3393, 6214), (4302, 4901)]