21303502

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1873}}^1$

素因数の和:1944

約数の個数: 24

約数和(自身を含む): 35890848

約数和(自身を除く): 14587346

約数列:

[1, 2, 11, 22, 47, 94, 121, 242, 517, 1034, 1873, 3746, 5687, 11374, 20603, 41206, 88031, 176062, 226633, 453266, 968341, 1936682, 10651751, 21303502]

約数ペア:

[(1, 21303502), (2, 10651751), (11, 1936682), (22, 968341), (47, 453266), (94, 226633), (121, 176062), (242, 88031), (517, 41206), (1034, 20603), (1873, 11374), (3746, 5687)]