21407374

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:711

約数の個数: 16

約数和(自身を含む): 32587776

約数和(自身を除く): 11180402

約数列:

[1, 2, 127, 254, 271, 311, 542, 622, 34417, 39497, 68834, 78994, 84281, 168562, 10703687, 21407374]

約数ペア:

[(1, 21407374), (2, 10703687), (127, 168562), (254, 84281), (271, 78994), (311, 68834), (542, 39497), (622, 34417)]