21796000

素因数分解:

$2^5\times 5^3\times {\mathrm{5449}}^1$

素因数の和:5474

約数の個数: 48

約数和(自身を含む): 53562600

約数和(自身を除く): 31766600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 5449, 10898, 21796, 27245, 43592, 54490, 87184, 108980, 136225, 174368, 217960, 272450, 435920, 544900, 681125, 871840, 1089800, 1362250, 2179600, 2724500, 4359200, 5449000, 10898000, 21796000]

約数ペア:

[(1, 21796000), (2, 10898000), (4, 5449000), (5, 4359200), (8, 2724500), (10, 2179600), (16, 1362250), (20, 1089800), (25, 871840), (32, 681125), (40, 544900), (50, 435920), (80, 272450), (100, 217960), (125, 174368), (160, 136225), (200, 108980), (250, 87184), (400, 54490), (500, 43592), (800, 27245), (1000, 21796), (2000, 10898), (4000, 5449)]