21359200

素因数分解:

$2^5\times 5^2\times {\mathrm{26699}}^1$

素因数の和:26719

約数の個数: 36

約数和(自身を含む): 52145100

約数和(自身を除く): 30785900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26699, 53398, 106796, 133495, 213592, 266990, 427184, 533980, 667475, 854368, 1067960, 1334950, 2135920, 2669900, 4271840, 5339800, 10679600, 21359200]

約数ペア:

[(1, 21359200), (2, 10679600), (4, 5339800), (5, 4271840), (8, 2669900), (10, 2135920), (16, 1334950), (20, 1067960), (25, 854368), (32, 667475), (40, 533980), (50, 427184), (80, 266990), (100, 213592), (160, 133495), (200, 106796), (400, 53398), (800, 26699)]