21489106

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:849

約数の個数: 16

約数和(自身を含む): 32826240

約数和(自身を除く): 11337134

約数列:

[1, 2, 79, 158, 277, 491, 554, 982, 21883, 38789, 43766, 77578, 136007, 272014, 10744553, 21489106]

約数ペア:

[(1, 21489106), (2, 10744553), (79, 272014), (158, 136007), (277, 77578), (491, 43766), (554, 38789), (982, 21883)]