21298096

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13723}}^1$

素因数の和:13828

約数の個数: 20

約数和(自身を含む): 41693512

約数和(自身を除く): 20395416

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13723, 27446, 54892, 109784, 219568, 1331131, 2662262, 5324524, 10649048, 21298096]

約数ペア:

[(1, 21298096), (2, 10649048), (4, 5324524), (8, 2662262), (16, 1331131), (97, 219568), (194, 109784), (388, 54892), (776, 27446), (1552, 13723)]