21334222

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 40476672

約数和(自身を除く): 19142450

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 127, 142, 169, 182, 254, 338, 497, 889, 923, 994, 1183, 1651, 1778, 1846, 2366, 3302, 6461, 9017, 11557, 11999, 12922, 18034, 21463, 23114, 23998, 42926, 63119, 83993, 117221, 126238, 150241, 167986, 234442, 300482, 820547, 1523873, 1641094, 3047746, 10667111, 21334222]

約数ペア:

[(1, 21334222), (2, 10667111), (7, 3047746), (13, 1641094), (14, 1523873), (26, 820547), (71, 300482), (91, 234442), (127, 167986), (142, 150241), (169, 126238), (182, 117221), (254, 83993), (338, 63119), (497, 42926), (889, 23998), (923, 23114), (994, 21463), (1183, 18034), (1651, 12922), (1778, 11999), (1846, 11557), (2366, 9017), (3302, 6461)]