21283216

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45869}}^1$

素因数の和:45906

約数の個数: 20

約数和(自身を含む): 42659100

約数和(自身を除く): 21375884

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45869, 91738, 183476, 366952, 733904, 1330201, 2660402, 5320804, 10641608, 21283216]

約数ペア:

[(1, 21283216), (2, 10641608), (4, 5320804), (8, 2660402), (16, 1330201), (29, 733904), (58, 366952), (116, 183476), (232, 91738), (464, 45869)]