21502904

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{45557}}^1$

素因数の和:45622

約数の個数: 16

約数和(自身を含む): 41002200

約数和(自身を除く): 19499296

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 45557, 91114, 182228, 364456, 2687863, 5375726, 10751452, 21502904]

約数ペア:

[(1, 21502904), (2, 10751452), (4, 5375726), (8, 2687863), (59, 364456), (118, 182228), (236, 91114), (472, 45557)]