21373100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1647

約数の個数: 72

約数和(自身を含む): 55829760

約数和(自身を除く): 34456660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1607, 1900, 2660, 3214, 3325, 6428, 6650, 8035, 11249, 13300, 16070, 22498, 30533, 32140, 40175, 44996, 56245, 61066, 80350, 112490, 122132, 152665, 160700, 213731, 224980, 281225, 305330, 427462, 562450, 610660, 763325, 854924, 1068655, 1124900, 1526650, 2137310, 3053300, 4274620, 5343275, 10686550, 21373100]

約数ペア:

[(1, 21373100), (2, 10686550), (4, 5343275), (5, 4274620), (7, 3053300), (10, 2137310), (14, 1526650), (19, 1124900), (20, 1068655), (25, 854924), (28, 763325), (35, 610660), (38, 562450), (50, 427462), (70, 305330), (76, 281225), (95, 224980), (100, 213731), (133, 160700), (140, 152665), (175, 122132), (190, 112490), (266, 80350), (350, 61066), (380, 56245), (475, 44996), (532, 40175), (665, 32140), (700, 30533), (950, 22498), (1330, 16070), (1607, 13300), (1900, 11249), (2660, 8035), (3214, 6650), (3325, 6428)]