21801570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14831}}^1$

素因数の和:14855

約数の個数: 48

約数和(自身を含む): 60870528

約数和(自身を除く): 39068958

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14831, 29662, 44493, 74155, 88986, 103817, 148310, 207634, 222465, 311451, 444930, 519085, 622902, 726719, 1038170, 1453438, 1557255, 2180157, 3114510, 3633595, 4360314, 7267190, 10900785, 21801570]

約数ペア:

[(1, 21801570), (2, 10900785), (3, 7267190), (5, 4360314), (6, 3633595), (7, 3114510), (10, 2180157), (14, 1557255), (15, 1453438), (21, 1038170), (30, 726719), (35, 622902), (42, 519085), (49, 444930), (70, 311451), (98, 222465), (105, 207634), (147, 148310), (210, 103817), (245, 88986), (294, 74155), (490, 44493), (735, 29662), (1470, 14831)]