21434127

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2939}}^1$

素因数の和:2983

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 14128113

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 2939, 7293, 8817, 32329, 38207, 49963, 96987, 114621, 149889, 420277, 549593, 649519, 1260831, 1648779, 1948557, 7144709, 21434127]

約数ペア:

[(1, 21434127), (3, 7144709), (11, 1948557), (13, 1648779), (17, 1260831), (33, 649519), (39, 549593), (51, 420277), (143, 149889), (187, 114621), (221, 96987), (429, 49963), (561, 38207), (663, 32329), (2431, 8817), (2939, 7293)]