21294512

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{2887}}^1$

素因数の和:3356

約数の個数: 20

約数和(自身を含む): 41361936

約数和(自身を除く): 20067424

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 2887, 3688, 5774, 7376, 11548, 23096, 46192, 1330907, 2661814, 5323628, 10647256, 21294512]

約数ペア:

[(1, 21294512), (2, 10647256), (4, 5323628), (8, 2661814), (16, 1330907), (461, 46192), (922, 23096), (1844, 11548), (2887, 7376), (3688, 5774)]