21266624

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17489}}^1$

素因数の和:17520

約数の個数: 28

約数和(自身を含む): 44424600

約数和(自身を除く): 23157976

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17489, 34978, 69956, 139912, 279824, 332291, 559648, 664582, 1119296, 1329164, 2658328, 5316656, 10633312, 21266624]

約数ペア:

[(1, 21266624), (2, 10633312), (4, 5316656), (8, 2658328), (16, 1329164), (19, 1119296), (32, 664582), (38, 559648), (64, 332291), (76, 279824), (152, 139912), (304, 69956), (608, 34978), (1216, 17489)]