21048652833

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{858043}}^1$

素因数の和:858113

約数の個数: 32

約数和(自身を含む): 32866517376

約数和(自身を除く): 11817864543

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1443, 1887, 8177, 24531, 858043, 2574129, 11154559, 14586731, 31747591, 33463677, 43760193, 95242773, 189627503, 412718683, 539709047, 568882509, 1238156049, 1619127141, 7016217611, 21048652833]

約数ペア:

[(1, 21048652833), (3, 7016217611), (13, 1619127141), (17, 1238156049), (37, 568882509), (39, 539709047), (51, 412718683), (111, 189627503), (221, 95242773), (481, 43760193), (629, 33463677), (663, 31747591), (1443, 14586731), (1887, 11154559), (8177, 2574129), (24531, 858043)]