2021090211

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{26801}}^1$

素因数の和:26846

約数の個数: 60

約数和(自身を含む): 3697067880

約数和(自身を除く): 1675977669

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 399, 441, 513, 567, 931, 1197, 1323, 1539, 2793, 3591, 3969, 8379, 10773, 25137, 26801, 75411, 80403, 187607, 241209, 509219, 562821, 723627, 1313249, 1527657, 1688463, 2170881, 3564533, 3939747, 4582971, 5065389, 10693599, 11819241, 13748913, 15196167, 24951731, 32080797, 35457723, 41246739, 74855193, 96242391, 106373169, 224565579, 288727173, 673696737, 2021090211]

約数ペア:

[(1, 2021090211), (3, 673696737), (7, 288727173), (9, 224565579), (19, 106373169), (21, 96242391), (27, 74855193), (49, 41246739), (57, 35457723), (63, 32080797), (81, 24951731), (133, 15196167), (147, 13748913), (171, 11819241), (189, 10693599), (399, 5065389), (441, 4582971), (513, 3939747), (567, 3564533), (931, 2170881), (1197, 1688463), (1323, 1527657), (1539, 1313249), (2793, 723627), (3591, 562821), (3969, 509219), (8379, 241209), (10773, 187607), (25137, 80403), (26801, 75411)]