21252922

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{587}}^1$

素因数の和:1053

約数の個数: 16

約数和(自身を含む): 32753952

約数和(自身を除く): 11501030

約数列:

[1, 2, 43, 86, 421, 587, 842, 1174, 18103, 25241, 36206, 50482, 247127, 494254, 10626461, 21252922]

約数ペア:

[(1, 21252922), (2, 10626461), (43, 494254), (86, 247127), (421, 50482), (587, 36206), (842, 25241), (1174, 18103)]