21845904445

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 27895873536

約数和(自身を除く): 6049969091

約数列:

[1, 5, 31, 71, 73, 155, 355, 365, 383, 1915, 2201, 2263, 5041, 5183, 11005, 11315, 11873, 25205, 25915, 27193, 27959, 59365, 135965, 139795, 156271, 160673, 367993, 781355, 803365, 842983, 866729, 1839965, 1930703, 1985089, 4214915, 4333645, 9653515, 9925445, 11407783, 57038915, 59851793, 61537759, 140941319, 299258965, 307688795, 704706595, 4369180889, 21845904445]

約数ペア:

[(1, 21845904445), (5, 4369180889), (31, 704706595), (71, 307688795), (73, 299258965), (155, 140941319), (355, 61537759), (365, 59851793), (383, 57038915), (1915, 11407783), (2201, 9925445), (2263, 9653515), (5041, 4333645), (5183, 4214915), (11005, 1985089), (11315, 1930703), (11873, 1839965), (25205, 866729), (25915, 842983), (27193, 803365), (27959, 781355), (59365, 367993), (135965, 160673), (139795, 156271)]