21059810072

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{327871}}^1$

素因数の和:327952

約数の個数: 64

約数和(自身を含む): 47843082240

約数和(自身を除く): 26783272168

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 217, 248, 259, 296, 434, 518, 868, 1036, 1147, 1736, 2072, 2294, 4588, 8029, 9176, 16058, 32116, 64232, 327871, 655742, 1311484, 2295097, 2622968, 4590194, 9180388, 10164001, 12131227, 18360776, 20328002, 24262454, 40656004, 48524908, 71148007, 81312008, 84918589, 97049816, 142296014, 169837178, 284592028, 339674356, 376068037, 569184056, 679348712, 752136074, 1504272148, 2632476259, 3008544296, 5264952518, 10529905036, 21059810072]

約数ペア:

[(1, 21059810072), (2, 10529905036), (4, 5264952518), (7, 3008544296), (8, 2632476259), (14, 1504272148), (28, 752136074), (31, 679348712), (37, 569184056), (56, 376068037), (62, 339674356), (74, 284592028), (124, 169837178), (148, 142296014), (217, 97049816), (248, 84918589), (259, 81312008), (296, 71148007), (434, 48524908), (518, 40656004), (868, 24262454), (1036, 20328002), (1147, 18360776), (1736, 12131227), (2072, 10164001), (2294, 9180388), (4588, 4590194), (8029, 2622968), (9176, 2295097), (16058, 1311484), (32116, 655742), (64232, 327871)]