21490800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17909}}^1$

素因数の和:17930

約数の個数: 60

約数和(自身を含む): 68846040

約数和(自身を除く): 47355240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17909, 35818, 53727, 71636, 89545, 107454, 143272, 179090, 214908, 268635, 286544, 358180, 429816, 447725, 537270, 716360, 859632, 895450, 1074540, 1343175, 1432720, 1790900, 2149080, 2686350, 3581800, 4298160, 5372700, 7163600, 10745400, 21490800]

約数ペア:

[(1, 21490800), (2, 10745400), (3, 7163600), (4, 5372700), (5, 4298160), (6, 3581800), (8, 2686350), (10, 2149080), (12, 1790900), (15, 1432720), (16, 1343175), (20, 1074540), (24, 895450), (25, 859632), (30, 716360), (40, 537270), (48, 447725), (50, 429816), (60, 358180), (75, 286544), (80, 268635), (100, 214908), (120, 179090), (150, 143272), (200, 107454), (240, 89545), (300, 71636), (400, 53727), (600, 35818), (1200, 17909)]