21041562597

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{47737}}^1$

素因数の和:47826

約数の個数: 48

約数和(自身を含む): 33175236672

約数和(自身を除く): 12133674075

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 361, 407, 627, 703, 1083, 1221, 2109, 3971, 7733, 11913, 13357, 23199, 40071, 47737, 143211, 146927, 440781, 525107, 907003, 1575321, 1766269, 2721009, 5298807, 9977033, 17233057, 19428959, 29931099, 33559111, 51699171, 58286877, 100677333, 189563627, 369150221, 568690881, 637623109, 1107450663, 1912869327, 7013854199, 21041562597]

約数ペア:

[(1, 21041562597), (3, 7013854199), (11, 1912869327), (19, 1107450663), (33, 637623109), (37, 568690881), (57, 369150221), (111, 189563627), (209, 100677333), (361, 58286877), (407, 51699171), (627, 33559111), (703, 29931099), (1083, 19428959), (1221, 17233057), (2109, 9977033), (3971, 5298807), (7733, 2721009), (11913, 1766269), (13357, 1575321), (23199, 907003), (40071, 525107), (47737, 440781), (143211, 146927)]