21949000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 52565760

約数和(自身を除く): 30616760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 467, 470, 500, 934, 940, 1000, 1175, 1868, 1880, 2335, 2350, 3736, 4670, 4700, 5875, 9340, 9400, 11675, 11750, 18680, 21949, 23350, 23500, 43898, 46700, 47000, 58375, 87796, 93400, 109745, 116750, 175592, 219490, 233500, 438980, 467000, 548725, 877960, 1097450, 2194900, 2743625, 4389800, 5487250, 10974500, 21949000]

約数ペア:

[(1, 21949000), (2, 10974500), (4, 5487250), (5, 4389800), (8, 2743625), (10, 2194900), (20, 1097450), (25, 877960), (40, 548725), (47, 467000), (50, 438980), (94, 233500), (100, 219490), (125, 175592), (188, 116750), (200, 109745), (235, 93400), (250, 87796), (376, 58375), (467, 47000), (470, 46700), (500, 43898), (934, 23500), (940, 23350), (1000, 21949), (1175, 18680), (1868, 11750), (1880, 11675), (2335, 9400), (2350, 9340), (3736, 5875), (4670, 4700)]