21009870630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4764143}}^1$

素因数の和:4764170

約数の個数: 72

約数和(自身を含む): 63544152672

約数和(自身を除く): 42534282042

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4764143, 9528286, 14292429, 23820715, 28584858, 33349001, 42877287, 47641430, 66698002, 71462145, 85754574, 100047003, 142924290, 166745005, 200094006, 214386435, 233443007, 300141009, 333490010, 428772870, 466886014, 500235015, 600282018, 700329021, 1000470030, 1167215035, 1400658042, 1500705045, 2100987063, 2334430070, 3001410090, 3501645105, 4201974126, 7003290210, 10504935315, 21009870630]

約数ペア:

[(1, 21009870630), (2, 10504935315), (3, 7003290210), (5, 4201974126), (6, 3501645105), (7, 3001410090), (9, 2334430070), (10, 2100987063), (14, 1500705045), (15, 1400658042), (18, 1167215035), (21, 1000470030), (30, 700329021), (35, 600282018), (42, 500235015), (45, 466886014), (49, 428772870), (63, 333490010), (70, 300141009), (90, 233443007), (98, 214386435), (105, 200094006), (126, 166745005), (147, 142924290), (210, 100047003), (245, 85754574), (294, 71462145), (315, 66698002), (441, 47641430), (490, 42877287), (630, 33349001), (735, 28584858), (882, 23820715), (1470, 14292429), (2205, 9528286), (4410, 4764143)]