21528712

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{18061}}^1$

素因数の和:18216

約数の個数: 16

約数和(自身を含む): 40639500

約数和(自身を除く): 19110788

約数列:

[1, 2, 4, 8, 149, 298, 596, 1192, 18061, 36122, 72244, 144488, 2691089, 5382178, 10764356, 21528712]

約数ペア:

[(1, 21528712), (2, 10764356), (4, 5382178), (8, 2691089), (149, 144488), (298, 72244), (596, 36122), (1192, 18061)]