21382550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 45830400

約数和(自身を除く): 24447850

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 199, 307, 350, 398, 614, 995, 1393, 1535, 1990, 2149, 2786, 3070, 4298, 4975, 6965, 7675, 9950, 10745, 13930, 15350, 21490, 34825, 53725, 61093, 69650, 107450, 122186, 305465, 427651, 610930, 855302, 1527325, 2138255, 3054650, 4276510, 10691275, 21382550]

約数ペア:

[(1, 21382550), (2, 10691275), (5, 4276510), (7, 3054650), (10, 2138255), (14, 1527325), (25, 855302), (35, 610930), (50, 427651), (70, 305465), (175, 122186), (199, 107450), (307, 69650), (350, 61093), (398, 53725), (614, 34825), (995, 21490), (1393, 15350), (1535, 13930), (1990, 10745), (2149, 9950), (2786, 7675), (3070, 6965), (4298, 4975)]