21748600

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:2992

約数の個数: 48

約数和(自身を含む): 51949800

約数和(自身を除く): 30201200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 2939, 3700, 5878, 7400, 11756, 14695, 23512, 29390, 58780, 73475, 108743, 117560, 146950, 217486, 293900, 434972, 543715, 587800, 869944, 1087430, 2174860, 2718575, 4349720, 5437150, 10874300, 21748600]

約数ペア:

[(1, 21748600), (2, 10874300), (4, 5437150), (5, 4349720), (8, 2718575), (10, 2174860), (20, 1087430), (25, 869944), (37, 587800), (40, 543715), (50, 434972), (74, 293900), (100, 217486), (148, 146950), (185, 117560), (200, 108743), (296, 73475), (370, 58780), (740, 29390), (925, 23512), (1480, 14695), (1850, 11756), (2939, 7400), (3700, 5878)]