21915822

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 27850578

約数列:

[1, 2, 3, 6, 17, 29, 31, 34, 51, 58, 62, 87, 93, 102, 174, 186, 239, 478, 493, 527, 717, 899, 986, 1054, 1434, 1479, 1581, 1798, 2697, 2958, 3162, 4063, 5394, 6931, 7409, 8126, 12189, 13862, 14818, 15283, 20793, 22227, 24378, 30566, 41586, 44454, 45849, 91698, 117827, 125953, 214861, 235654, 251906, 353481, 377859, 429722, 644583, 706962, 755718, 1289166, 3652637, 7305274, 10957911, 21915822]

約数ペア:

[(1, 21915822), (2, 10957911), (3, 7305274), (6, 3652637), (17, 1289166), (29, 755718), (31, 706962), (34, 644583), (51, 429722), (58, 377859), (62, 353481), (87, 251906), (93, 235654), (102, 214861), (174, 125953), (186, 117827), (239, 91698), (478, 45849), (493, 44454), (527, 41586), (717, 30566), (899, 24378), (986, 22227), (1054, 20793), (1434, 15283), (1479, 14818), (1581, 13862), (1798, 12189), (2697, 8126), (2958, 7409), (3162, 6931), (4063, 5394)]