21885400

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 51615000

約数和(自身を除く): 29729600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 200, 292, 365, 584, 730, 1460, 1499, 1825, 2920, 2998, 3650, 5996, 7300, 7495, 11992, 14600, 14990, 29980, 37475, 59960, 74950, 109427, 149900, 218854, 299800, 437708, 547135, 875416, 1094270, 2188540, 2735675, 4377080, 5471350, 10942700, 21885400]

約数ペア:

[(1, 21885400), (2, 10942700), (4, 5471350), (5, 4377080), (8, 2735675), (10, 2188540), (20, 1094270), (25, 875416), (40, 547135), (50, 437708), (73, 299800), (100, 218854), (146, 149900), (200, 109427), (292, 74950), (365, 59960), (584, 37475), (730, 29980), (1460, 14990), (1499, 14600), (1825, 11992), (2920, 7495), (2998, 7300), (3650, 5996)]