21335996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 22693444

約数列:

[1, 2, 4, 11, 22, 23, 29, 44, 46, 58, 92, 116, 253, 319, 506, 638, 667, 727, 1012, 1276, 1334, 1454, 2668, 2908, 7337, 7997, 14674, 15994, 16721, 21083, 29348, 31988, 33442, 42166, 66884, 84332, 183931, 231913, 367862, 463826, 484909, 735724, 927652, 969818, 1939636, 5333999, 10667998, 21335996]

約数ペア:

[(1, 21335996), (2, 10667998), (4, 5333999), (11, 1939636), (22, 969818), (23, 927652), (29, 735724), (44, 484909), (46, 463826), (58, 367862), (92, 231913), (116, 183931), (253, 84332), (319, 66884), (506, 42166), (638, 33442), (667, 31988), (727, 29348), (1012, 21083), (1276, 16721), (1334, 15994), (1454, 14674), (2668, 7997), (2908, 7337)]