21240594

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 48859200

約数和(自身を除く): 27618606

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 173, 342, 346, 359, 519, 718, 1038, 1077, 1557, 2154, 3114, 3231, 3287, 6462, 6574, 6821, 9861, 13642, 19722, 20463, 29583, 40926, 59166, 61389, 62107, 122778, 124214, 186321, 372642, 558963, 1117926, 1180033, 2360066, 3540099, 7080198, 10620297, 21240594]

約数ペア:

[(1, 21240594), (2, 10620297), (3, 7080198), (6, 3540099), (9, 2360066), (18, 1180033), (19, 1117926), (38, 558963), (57, 372642), (114, 186321), (171, 124214), (173, 122778), (342, 62107), (346, 61389), (359, 59166), (519, 40926), (718, 29583), (1038, 20463), (1077, 19722), (1557, 13642), (2154, 9861), (3114, 6821), (3231, 6574), (3287, 6462)]