21761000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 52116480

約数和(自身を除く): 30355480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 463, 470, 500, 926, 940, 1000, 1175, 1852, 1880, 2315, 2350, 3704, 4630, 4700, 5875, 9260, 9400, 11575, 11750, 18520, 21761, 23150, 23500, 43522, 46300, 47000, 57875, 87044, 92600, 108805, 115750, 174088, 217610, 231500, 435220, 463000, 544025, 870440, 1088050, 2176100, 2720125, 4352200, 5440250, 10880500, 21761000]

約数ペア:

[(1, 21761000), (2, 10880500), (4, 5440250), (5, 4352200), (8, 2720125), (10, 2176100), (20, 1088050), (25, 870440), (40, 544025), (47, 463000), (50, 435220), (94, 231500), (100, 217610), (125, 174088), (188, 115750), (200, 108805), (235, 92600), (250, 87044), (376, 57875), (463, 47000), (470, 46300), (500, 43522), (926, 23500), (940, 23150), (1000, 21761), (1175, 18520), (1852, 11750), (1880, 11575), (2315, 9400), (2350, 9260), (3704, 5875), (4630, 4700)]