21202412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 50125824

約数和(自身を除く): 28923412

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 41, 44, 46, 73, 77, 82, 92, 146, 154, 161, 164, 253, 287, 292, 308, 322, 451, 506, 511, 574, 644, 803, 902, 943, 1012, 1022, 1148, 1606, 1679, 1771, 1804, 1886, 2044, 2993, 3157, 3212, 3358, 3542, 3772, 5621, 5986, 6314, 6601, 6716, 7084, 10373, 11242, 11753, 11972, 12628, 13202, 18469, 20746, 20951, 22484, 23506, 26404, 32923, 36938, 41492, 41902, 47012, 65846, 68839, 72611, 73876, 83804, 129283, 131692, 137678, 145222, 230461, 258566, 275356, 290444, 460922, 481873, 517132, 757229, 921844, 963746, 1514458, 1927492, 3028916, 5300603, 10601206, 21202412]

約数ペア:

[(1, 21202412), (2, 10601206), (4, 5300603), (7, 3028916), (11, 1927492), (14, 1514458), (22, 963746), (23, 921844), (28, 757229), (41, 517132), (44, 481873), (46, 460922), (73, 290444), (77, 275356), (82, 258566), (92, 230461), (146, 145222), (154, 137678), (161, 131692), (164, 129283), (253, 83804), (287, 73876), (292, 72611), (308, 68839), (322, 65846), (451, 47012), (506, 41902), (511, 41492), (574, 36938), (644, 32923), (803, 26404), (902, 23506), (943, 22484), (1012, 20951), (1022, 20746), (1148, 18469), (1606, 13202), (1679, 12628), (1771, 11972), (1804, 11753), (1886, 11242), (2044, 10373), (2993, 7084), (3157, 6716), (3212, 6601), (3358, 6314), (3542, 5986), (3772, 5621)]