21754448

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{15277}}^1$

素因数の和:15374

約数の個数: 20

約数和(自身を含む): 42625620

約数和(自身を除く): 20871172

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 15277, 30554, 61108, 122216, 244432, 1359653, 2719306, 5438612, 10877224, 21754448]

約数ペア:

[(1, 21754448), (2, 10877224), (4, 5438612), (8, 2719306), (16, 1359653), (89, 244432), (178, 122216), (356, 61108), (712, 30554), (1424, 15277)]