21304542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2549}}^1$

素因数の和:2760

約数の個数: 32

約数和(自身を含む): 48960000

約数和(自身を除く): 27655458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 199, 398, 597, 1194, 1393, 2549, 2786, 4179, 5098, 7647, 8358, 15294, 17843, 35686, 53529, 107058, 507251, 1014502, 1521753, 3043506, 3550757, 7101514, 10652271, 21304542]

約数ペア:

[(1, 21304542), (2, 10652271), (3, 7101514), (6, 3550757), (7, 3043506), (14, 1521753), (21, 1014502), (42, 507251), (199, 107058), (398, 53529), (597, 35686), (1194, 17843), (1393, 15294), (2549, 8358), (2786, 7647), (4179, 5098)]