21343448

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 48591360

約数和(自身を除く): 27247912

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 73, 92, 146, 161, 184, 227, 292, 322, 454, 511, 584, 644, 908, 1022, 1288, 1589, 1679, 1816, 2044, 3178, 3358, 4088, 5221, 6356, 6716, 10442, 11753, 12712, 13432, 16571, 20884, 23506, 33142, 36547, 41768, 47012, 66284, 73094, 94024, 115997, 132568, 146188, 231994, 292376, 381133, 463988, 762266, 927976, 1524532, 2667931, 3049064, 5335862, 10671724, 21343448]

約数ペア:

[(1, 21343448), (2, 10671724), (4, 5335862), (7, 3049064), (8, 2667931), (14, 1524532), (23, 927976), (28, 762266), (46, 463988), (56, 381133), (73, 292376), (92, 231994), (146, 146188), (161, 132568), (184, 115997), (227, 94024), (292, 73094), (322, 66284), (454, 47012), (511, 41768), (584, 36547), (644, 33142), (908, 23506), (1022, 20884), (1288, 16571), (1589, 13432), (1679, 12712), (1816, 11753), (2044, 10442), (3178, 6716), (3358, 6356), (4088, 5221)]