21077700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10037}}^1$

素因数の和:10061

約数の個数: 72

約数和(自身を含む): 69703872

約数和(自身を除く): 48626172

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, 10037, 20074, 30111, 40148, 50185, 60222, 70259, 100370, 120444, 140518, 150555, 200740, 210777, 250925, 281036, 301110, 351295, 421554, 501850, 602220, 702590, 752775, 843108, 1003700, 1053885, 1405180, 1505550, 1756475, 2107770, 3011100, 3512950, 4215540, 5269425, 7025900, 10538850, 21077700]

約数ペア:

[(1, 21077700), (2, 10538850), (3, 7025900), (4, 5269425), (5, 4215540), (6, 3512950), (7, 3011100), (10, 2107770), (12, 1756475), (14, 1505550), (15, 1405180), (20, 1053885), (21, 1003700), (25, 843108), (28, 752775), (30, 702590), (35, 602220), (42, 501850), (50, 421554), (60, 351295), (70, 301110), (75, 281036), (84, 250925), (100, 210777), (105, 200740), (140, 150555), (150, 140518), (175, 120444), (210, 100370), (300, 70259), (350, 60222), (420, 50185), (525, 40148), (700, 30111), (1050, 20074), (2100, 10037)]