21954153

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{5261}}^1$

素因数の和:5384

約数の個数: 16

約数和(自身を含む): 31824576

約数和(自身を除く): 9870423

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 5261, 15783, 68393, 205179, 562927, 1688781, 7318051, 21954153]

約数ペア:

[(1, 21954153), (3, 7318051), (13, 1688781), (39, 562927), (107, 205179), (321, 68393), (1391, 15783), (4173, 5261)]