21130950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 52764480

約数和(自身を除く): 31633530

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 179, 358, 537, 787, 895, 1074, 1574, 1790, 2361, 2685, 3935, 4475, 4722, 5370, 7870, 8950, 11805, 13425, 19675, 23610, 26850, 39350, 59025, 118050, 140873, 281746, 422619, 704365, 845238, 1408730, 2113095, 3521825, 4226190, 7043650, 10565475, 21130950]

約数ペア:

[(1, 21130950), (2, 10565475), (3, 7043650), (5, 4226190), (6, 3521825), (10, 2113095), (15, 1408730), (25, 845238), (30, 704365), (50, 422619), (75, 281746), (150, 140873), (179, 118050), (358, 59025), (537, 39350), (787, 26850), (895, 23610), (1074, 19675), (1574, 13425), (1790, 11805), (2361, 8950), (2685, 7870), (3935, 5370), (4475, 4722)]