21551177968

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18451351}}^1$

素因数の和:18451432

約数の個数: 20

約数和(自身を含む): 42327401488

約数和(自身を除く): 20776223520

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18451351, 36902702, 73805404, 147610808, 295221616, 1346948623, 2693897246, 5387794492, 10775588984, 21551177968]

約数ペア:

[(1, 21551177968), (2, 10775588984), (4, 5387794492), (8, 2693897246), (16, 1346948623), (73, 295221616), (146, 147610808), (292, 73805404), (584, 36902702), (1168, 18451351)]