21740244

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{347}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 53319168

約数和(自身を除く): 31578924

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 227, 276, 347, 454, 681, 694, 908, 1041, 1362, 1388, 2082, 2724, 4164, 5221, 7981, 10442, 15663, 15962, 20884, 23943, 31326, 31924, 47886, 62652, 78769, 95772, 157538, 236307, 315076, 472614, 945228, 1811687, 3623374, 5435061, 7246748, 10870122, 21740244]

約数ペア:

[(1, 21740244), (2, 10870122), (3, 7246748), (4, 5435061), (6, 3623374), (12, 1811687), (23, 945228), (46, 472614), (69, 315076), (92, 236307), (138, 157538), (227, 95772), (276, 78769), (347, 62652), (454, 47886), (681, 31924), (694, 31326), (908, 23943), (1041, 20884), (1362, 15962), (1388, 15663), (2082, 10442), (2724, 7981), (4164, 5221)]