21540034

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1811}}^1$

素因数の和:2145

約数の個数: 16

約数和(自身を含む): 34138080

約数和(自身を除く): 12598046

約数列:

[1, 2, 19, 38, 313, 626, 1811, 3622, 5947, 11894, 34409, 68818, 566843, 1133686, 10770017, 21540034]

約数ペア:

[(1, 21540034), (2, 10770017), (19, 1133686), (38, 566843), (313, 68818), (626, 34409), (1811, 11894), (3622, 5947)]