21787038

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 59544576

約数和(自身を除く): 37757538

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 47, 63, 78, 91, 94, 117, 126, 141, 182, 234, 273, 282, 283, 329, 423, 546, 566, 611, 658, 819, 846, 849, 987, 1222, 1638, 1698, 1833, 1974, 1981, 2547, 2961, 3666, 3679, 3962, 4277, 5094, 5499, 5922, 5943, 7358, 8554, 10998, 11037, 11886, 12831, 13301, 17829, 22074, 25662, 25753, 26602, 33111, 35658, 38493, 39903, 51506, 66222, 76986, 77259, 79806, 93107, 119709, 154518, 172913, 186214, 231777, 239418, 279321, 345826, 463554, 518739, 558642, 837963, 1037478, 1210391, 1556217, 1675926, 2420782, 3112434, 3631173, 7262346, 10893519, 21787038]

約数ペア:

[(1, 21787038), (2, 10893519), (3, 7262346), (6, 3631173), (7, 3112434), (9, 2420782), (13, 1675926), (14, 1556217), (18, 1210391), (21, 1037478), (26, 837963), (39, 558642), (42, 518739), (47, 463554), (63, 345826), (78, 279321), (91, 239418), (94, 231777), (117, 186214), (126, 172913), (141, 154518), (182, 119709), (234, 93107), (273, 79806), (282, 77259), (283, 76986), (329, 66222), (423, 51506), (546, 39903), (566, 38493), (611, 35658), (658, 33111), (819, 26602), (846, 25753), (849, 25662), (987, 22074), (1222, 17829), (1638, 13301), (1698, 12831), (1833, 11886), (1974, 11037), (1981, 10998), (2547, 8554), (2961, 7358), (3666, 5943), (3679, 5922), (3962, 5499), (4277, 5094)]