21275802

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 26527590

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 127, 227, 246, 254, 369, 381, 454, 681, 738, 762, 1143, 1362, 2043, 2286, 4086, 5207, 9307, 10414, 15621, 18614, 27921, 28829, 31242, 46863, 55842, 57658, 83763, 86487, 93726, 167526, 172974, 259461, 518922, 1181989, 2363978, 3545967, 7091934, 10637901, 21275802]

約数ペア:

[(1, 21275802), (2, 10637901), (3, 7091934), (6, 3545967), (9, 2363978), (18, 1181989), (41, 518922), (82, 259461), (123, 172974), (127, 167526), (227, 93726), (246, 86487), (254, 83763), (369, 57658), (381, 55842), (454, 46863), (681, 31242), (738, 28829), (762, 27921), (1143, 18614), (1362, 15621), (2043, 10414), (2286, 9307), (4086, 5207)]