21006650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1277}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 45639936

約数和(自身を除く): 24633286

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1277, 1645, 2350, 2554, 3290, 6385, 8225, 8939, 12770, 16450, 17878, 31925, 44695, 60019, 63850, 89390, 120038, 223475, 300095, 420133, 446950, 600190, 840266, 1500475, 2100665, 3000950, 4201330, 10503325, 21006650]

約数ペア:

[(1, 21006650), (2, 10503325), (5, 4201330), (7, 3000950), (10, 2100665), (14, 1500475), (25, 840266), (35, 600190), (47, 446950), (50, 420133), (70, 300095), (94, 223475), (175, 120038), (235, 89390), (329, 63850), (350, 60019), (470, 44695), (658, 31925), (1175, 17878), (1277, 16450), (1645, 12770), (2350, 8939), (2554, 8225), (3290, 6385)]