21791256

素因数分解:

$2^3\times 3^1\times {\mathrm{907969}}^1$

素因数の和:907978

約数の個数: 16

約数和(自身を含む): 54478200

約数和(自身を除く): 32686944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 907969, 1815938, 2723907, 3631876, 5447814, 7263752, 10895628, 21791256]

約数ペア:

[(1, 21791256), (2, 10895628), (3, 7263752), (4, 5447814), (6, 3631876), (8, 2723907), (12, 1815938), (24, 907969)]