21296416

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{35027}}^1$

素因数の和:35056

約数の個数: 24

約数和(自身を含む): 44135280

約数和(自身を除く): 22838864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 35027, 70054, 140108, 280216, 560432, 665513, 1120864, 1331026, 2662052, 5324104, 10648208, 21296416]

約数ペア:

[(1, 21296416), (2, 10648208), (4, 5324104), (8, 2662052), (16, 1331026), (19, 1120864), (32, 665513), (38, 560432), (76, 280216), (152, 140108), (304, 70054), (608, 35027)]