21448570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 46376064

約数和(自身を除く): 24927494

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 53, 55, 65, 106, 110, 130, 143, 265, 283, 286, 530, 566, 583, 689, 715, 1166, 1378, 1415, 1430, 2830, 2915, 3113, 3445, 3679, 5830, 6226, 6890, 7358, 7579, 14999, 15158, 15565, 18395, 29998, 31130, 36790, 37895, 40469, 74995, 75790, 80938, 149990, 164989, 194987, 202345, 329978, 389974, 404690, 824945, 974935, 1649890, 1949870, 2144857, 4289714, 10724285, 21448570]

約数ペア:

[(1, 21448570), (2, 10724285), (5, 4289714), (10, 2144857), (11, 1949870), (13, 1649890), (22, 974935), (26, 824945), (53, 404690), (55, 389974), (65, 329978), (106, 202345), (110, 194987), (130, 164989), (143, 149990), (265, 80938), (283, 75790), (286, 74995), (530, 40469), (566, 37895), (583, 36790), (689, 31130), (715, 29998), (1166, 18395), (1378, 15565), (1415, 15158), (1430, 14999), (2830, 7579), (2915, 7358), (3113, 6890), (3445, 6226), (3679, 5830)]