21240800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3793}}^1$

素因数の和:3820

約数の個数: 72

約数和(自身を含む): 59277456

約数和(自身を除く): 38036656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3793, 5600, 7586, 15172, 18965, 26551, 30344, 37930, 53102, 60688, 75860, 94825, 106204, 121376, 132755, 151720, 189650, 212408, 265510, 303440, 379300, 424816, 531020, 606880, 663775, 758600, 849632, 1062040, 1327550, 1517200, 2124080, 2655100, 3034400, 4248160, 5310200, 10620400, 21240800]

約数ペア:

[(1, 21240800), (2, 10620400), (4, 5310200), (5, 4248160), (7, 3034400), (8, 2655100), (10, 2124080), (14, 1517200), (16, 1327550), (20, 1062040), (25, 849632), (28, 758600), (32, 663775), (35, 606880), (40, 531020), (50, 424816), (56, 379300), (70, 303440), (80, 265510), (100, 212408), (112, 189650), (140, 151720), (160, 132755), (175, 121376), (200, 106204), (224, 94825), (280, 75860), (350, 60688), (400, 53102), (560, 37930), (700, 30344), (800, 26551), (1120, 18965), (1400, 15172), (2800, 7586), (3793, 5600)]