21048104

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 29271256

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 658, 727, 1034, 1316, 1454, 2068, 2632, 2908, 3619, 4136, 5089, 5816, 7238, 7997, 10178, 14476, 15994, 20356, 28952, 31988, 34169, 40712, 55979, 63976, 68338, 111958, 136676, 223916, 239183, 273352, 375859, 447832, 478366, 751718, 956732, 1503436, 1913464, 2631013, 3006872, 5262026, 10524052, 21048104]

約数ペア:

[(1, 21048104), (2, 10524052), (4, 5262026), (7, 3006872), (8, 2631013), (11, 1913464), (14, 1503436), (22, 956732), (28, 751718), (44, 478366), (47, 447832), (56, 375859), (77, 273352), (88, 239183), (94, 223916), (154, 136676), (188, 111958), (308, 68338), (329, 63976), (376, 55979), (517, 40712), (616, 34169), (658, 31988), (727, 28952), (1034, 20356), (1316, 15994), (1454, 14476), (2068, 10178), (2632, 7997), (2908, 7238), (3619, 5816), (4136, 5089)]