21597800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15427}}^1$

素因数の和:15450

約数の個数: 48

約数和(自身を含む): 57392160

約数和(自身を除く): 35794360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15427, 30854, 61708, 77135, 107989, 123416, 154270, 215978, 308540, 385675, 431956, 539945, 617080, 771350, 863912, 1079890, 1542700, 2159780, 2699725, 3085400, 4319560, 5399450, 10798900, 21597800]

約数ペア:

[(1, 21597800), (2, 10798900), (4, 5399450), (5, 4319560), (7, 3085400), (8, 2699725), (10, 2159780), (14, 1542700), (20, 1079890), (25, 863912), (28, 771350), (35, 617080), (40, 539945), (50, 431956), (56, 385675), (70, 308540), (100, 215978), (140, 154270), (175, 123416), (200, 107989), (280, 77135), (350, 61708), (700, 30854), (1400, 15427)]