21727384

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 48529800

約数和(自身を除く): 26802416

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1204, 1289, 2107, 2408, 2578, 4214, 5156, 8428, 9023, 10312, 16856, 18046, 36092, 55427, 63161, 72184, 110854, 126322, 221708, 252644, 387989, 443416, 505288, 775978, 1551956, 2715923, 3103912, 5431846, 10863692, 21727384]

約数ペア:

[(1, 21727384), (2, 10863692), (4, 5431846), (7, 3103912), (8, 2715923), (14, 1551956), (28, 775978), (43, 505288), (49, 443416), (56, 387989), (86, 252644), (98, 221708), (172, 126322), (196, 110854), (301, 72184), (344, 63161), (392, 55427), (602, 36092), (1204, 18046), (1289, 16856), (2107, 10312), (2408, 9023), (2578, 8428), (4214, 5156)]