21103752

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 55054080

約数和(自身を除く): 33950328

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 53, 94, 106, 141, 159, 188, 212, 282, 318, 353, 376, 424, 564, 636, 706, 1059, 1128, 1272, 1412, 2118, 2491, 2824, 4236, 4982, 7473, 8472, 9964, 14946, 16591, 18709, 19928, 29892, 33182, 37418, 49773, 56127, 59784, 66364, 74836, 99546, 112254, 132728, 149672, 199092, 224508, 398184, 449016, 879323, 1758646, 2637969, 3517292, 5275938, 7034584, 10551876, 21103752]

約数ペア:

[(1, 21103752), (2, 10551876), (3, 7034584), (4, 5275938), (6, 3517292), (8, 2637969), (12, 1758646), (24, 879323), (47, 449016), (53, 398184), (94, 224508), (106, 199092), (141, 149672), (159, 132728), (188, 112254), (212, 99546), (282, 74836), (318, 66364), (353, 59784), (376, 56127), (424, 49773), (564, 37418), (636, 33182), (706, 29892), (1059, 19928), (1128, 18709), (1272, 16591), (1412, 14946), (2118, 9964), (2491, 8472), (2824, 7473), (4236, 4982)]