21524987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 24710400

約数和(自身を除く): 3185413

約数列:

[1, 11, 23, 149, 253, 571, 1639, 3427, 6281, 13133, 37697, 85079, 144463, 935869, 1956817, 21524987]

約数ペア:

[(1, 21524987), (11, 1956817), (23, 935869), (149, 144463), (253, 85079), (571, 37697), (1639, 13133), (3427, 6281)]