21041776

素因数分解:

$2^4\times 7^2\times {\mathrm{26839}}^1$

素因数の和:26861

約数の個数: 30

約数和(自身を含む): 47426280

約数和(自身を除く): 26384504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26839, 53678, 107356, 187873, 214712, 375746, 429424, 751492, 1315111, 1502984, 2630222, 3005968, 5260444, 10520888, 21041776]

約数ペア:

[(1, 21041776), (2, 10520888), (4, 5260444), (7, 3005968), (8, 2630222), (14, 1502984), (16, 1315111), (28, 751492), (49, 429424), (56, 375746), (98, 214712), (112, 187873), (196, 107356), (392, 53678), (784, 26839)]