21301756

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3823}}^1$

素因数の和:4033

約数の個数: 24

約数和(自身を含む): 42828800

約数和(自身を除く): 21527044

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3823, 5572, 7646, 15292, 26761, 53522, 107044, 760777, 1521554, 3043108, 5325439, 10650878, 21301756]

約数ペア:

[(1, 21301756), (2, 10650878), (4, 5325439), (7, 3043108), (14, 1521554), (28, 760777), (199, 107044), (398, 53522), (796, 26761), (1393, 15292), (2786, 7646), (3823, 5572)]