21154098

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2531}}^1$

素因数の和:2742

約数の個数: 32

約数和(自身を含む): 48614400

約数和(自身を除く): 27460302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 199, 398, 597, 1194, 1393, 2531, 2786, 4179, 5062, 7593, 8358, 15186, 17717, 35434, 53151, 106302, 503669, 1007338, 1511007, 3022014, 3525683, 7051366, 10577049, 21154098]

約数ペア:

[(1, 21154098), (2, 10577049), (3, 7051366), (6, 3525683), (7, 3022014), (14, 1511007), (21, 1007338), (42, 503669), (199, 106302), (398, 53151), (597, 35434), (1194, 17717), (1393, 15186), (2531, 8358), (2786, 7593), (4179, 5062)]