21123022

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11827}}^1$

素因数の和:11895

約数の個数: 16

約数和(自身を含む): 34064640

約数和(自身を除く): 12941618

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11827, 23654, 224713, 449426, 555869, 1111738, 10561511, 21123022]

約数ペア:

[(1, 21123022), (2, 10561511), (19, 1111738), (38, 555869), (47, 449426), (94, 224713), (893, 23654), (1786, 11827)]