21241800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11801}}^1$

素因数の和:11823

約数の個数: 72

約数和(自身を含む): 71343090

約数和(自身を除く): 50101290

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11801, 23602, 35403, 47204, 59005, 70806, 94408, 106209, 118010, 141612, 177015, 212418, 236020, 283224, 295025, 354030, 424836, 472040, 531045, 590050, 708060, 849672, 885075, 1062090, 1180100, 1416120, 1770150, 2124180, 2360200, 2655225, 3540300, 4248360, 5310450, 7080600, 10620900, 21241800]

約数ペア:

[(1, 21241800), (2, 10620900), (3, 7080600), (4, 5310450), (5, 4248360), (6, 3540300), (8, 2655225), (9, 2360200), (10, 2124180), (12, 1770150), (15, 1416120), (18, 1180100), (20, 1062090), (24, 885075), (25, 849672), (30, 708060), (36, 590050), (40, 531045), (45, 472040), (50, 424836), (60, 354030), (72, 295025), (75, 283224), (90, 236020), (100, 212418), (120, 177015), (150, 141612), (180, 118010), (200, 106209), (225, 94408), (300, 70806), (360, 59005), (450, 47204), (600, 35403), (900, 23602), (1800, 11801)]