21108724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57991}}^1$

素因数の和:58015

約数の個数: 24

約数和(自身を含む): 45465728

約数和(自身を除く): 24357004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57991, 115982, 231964, 405937, 753883, 811874, 1507766, 1623748, 3015532, 5277181, 10554362, 21108724]

約数ペア:

[(1, 21108724), (2, 10554362), (4, 5277181), (7, 3015532), (13, 1623748), (14, 1507766), (26, 811874), (28, 753883), (52, 405937), (91, 231964), (182, 115982), (364, 57991)]