21986999944

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{511897}}^1$

素因数の和:511982

約数の個数: 64

約数和(自身を含む): 51599318400

約数和(自身を除く): 29612318456

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 472, 728, 767, 826, 1534, 1652, 3068, 3304, 5369, 6136, 10738, 21476, 42952, 511897, 1023794, 2047588, 3583279, 4095176, 6654661, 7166558, 13309322, 14333116, 26618644, 28666232, 30201923, 46582627, 53237288, 60403846, 93165254, 120807692, 186330508, 211413461, 241615384, 372661016, 392624999, 422826922, 785249998, 845653844, 1570499996, 1691307688, 2748374993, 3140999992, 5496749986, 10993499972, 21986999944]

約数ペア:

[(1, 21986999944), (2, 10993499972), (4, 5496749986), (7, 3140999992), (8, 2748374993), (13, 1691307688), (14, 1570499996), (26, 845653844), (28, 785249998), (52, 422826922), (56, 392624999), (59, 372661016), (91, 241615384), (104, 211413461), (118, 186330508), (182, 120807692), (236, 93165254), (364, 60403846), (413, 53237288), (472, 46582627), (728, 30201923), (767, 28666232), (826, 26618644), (1534, 14333116), (1652, 13309322), (3068, 7166558), (3304, 6654661), (5369, 4095176), (6136, 3583279), (10738, 2047588), (21476, 1023794), (42952, 511897)]