21837900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10399}}^1$

素因数の和:10423

約数の個数: 72

約数和(自身を含む): 72217600

約数和(自身を除く): 50379700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10399, 20798, 31197, 41596, 51995, 62394, 72793, 103990, 124788, 145586, 155985, 207980, 218379, 259975, 291172, 311970, 363965, 436758, 519950, 623940, 727930, 779925, 873516, 1039900, 1091895, 1455860, 1559850, 1819825, 2183790, 3119700, 3639650, 4367580, 5459475, 7279300, 10918950, 21837900]

約数ペア:

[(1, 21837900), (2, 10918950), (3, 7279300), (4, 5459475), (5, 4367580), (6, 3639650), (7, 3119700), (10, 2183790), (12, 1819825), (14, 1559850), (15, 1455860), (20, 1091895), (21, 1039900), (25, 873516), (28, 779925), (30, 727930), (35, 623940), (42, 519950), (50, 436758), (60, 363965), (70, 311970), (75, 291172), (84, 259975), (100, 218379), (105, 207980), (140, 155985), (150, 145586), (175, 124788), (210, 103990), (300, 72793), (350, 62394), (420, 51995), (525, 41596), (700, 31197), (1050, 20798), (2100, 10399)]