21469916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11159}}^1$

素因数の和:11213

約数の個数: 24

約数和(自身を含む): 41559840

約数和(自身を除く): 20089924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11159, 22318, 44636, 145067, 290134, 412883, 580268, 825766, 1651532, 5367479, 10734958, 21469916]

約数ペア:

[(1, 21469916), (2, 10734958), (4, 5367479), (13, 1651532), (26, 825766), (37, 580268), (52, 412883), (74, 290134), (148, 145067), (481, 44636), (962, 22318), (1924, 11159)]