21942866

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{8243}}^1$

素因数の和:8278

約数の個数: 16

約数和(自身を含む): 36207648

約数和(自身を除く): 14264782

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 8243, 16486, 90673, 181346, 997403, 1994806, 10971433, 21942866]

約数ペア:

[(1, 21942866), (2, 10971433), (11, 1994806), (22, 997403), (121, 181346), (242, 90673), (1331, 16486), (2662, 8243)]