21400324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3221}}^1$

素因数の和:3387

約数の個数: 24

約数和(自身を含む): 41138496

約数和(自身を除く): 19738172

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3221, 3322, 6442, 6644, 12884, 35431, 70862, 141724, 486371, 972742, 1945484, 5350081, 10700162, 21400324]

約数ペア:

[(1, 21400324), (2, 10700162), (4, 5350081), (11, 1945484), (22, 972742), (44, 486371), (151, 141724), (302, 70862), (604, 35431), (1661, 12884), (3221, 6644), (3322, 6442)]