21952784

素因数分解:

$2^4\times 7^2\times {\mathrm{28001}}^1$

素因数の和:28023

約数の個数: 30

約数和(自身を含む): 49479534

約数和(自身を除く): 27526750

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 28001, 56002, 112004, 196007, 224008, 392014, 448016, 784028, 1372049, 1568056, 2744098, 3136112, 5488196, 10976392, 21952784]

約数ペア:

[(1, 21952784), (2, 10976392), (4, 5488196), (7, 3136112), (8, 2744098), (14, 1568056), (16, 1372049), (28, 784028), (49, 448016), (56, 392014), (98, 224008), (112, 196007), (196, 112004), (392, 56002), (784, 28001)]