21149800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15107}}^1$

素因数の和:15130

約数の個数: 48

約数和(自身を含む): 56201760

約数和(自身を除く): 35051960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15107, 30214, 60428, 75535, 105749, 120856, 151070, 211498, 302140, 377675, 422996, 528745, 604280, 755350, 845992, 1057490, 1510700, 2114980, 2643725, 3021400, 4229960, 5287450, 10574900, 21149800]

約数ペア:

[(1, 21149800), (2, 10574900), (4, 5287450), (5, 4229960), (7, 3021400), (8, 2643725), (10, 2114980), (14, 1510700), (20, 1057490), (25, 845992), (28, 755350), (35, 604280), (40, 528745), (50, 422996), (56, 377675), (70, 302140), (100, 211498), (140, 151070), (175, 120856), (200, 105749), (280, 75535), (350, 60428), (700, 30214), (1400, 15107)]