21552112

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{16229}}^1$

素因数の和:16320

約数の個数: 20

約数和(自身を含む): 42262920

約数和(自身を除く): 20710808

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 16229, 32458, 64916, 129832, 259664, 1347007, 2694014, 5388028, 10776056, 21552112]

約数ペア:

[(1, 21552112), (2, 10776056), (4, 5388028), (8, 2694014), (16, 1347007), (83, 259664), (166, 129832), (332, 64916), (664, 32458), (1328, 16229)]