21844016

素因数分解:

$2^4\times {\mathrm{1365251}}^1$

素因数の和:1365259

約数の個数: 10

約数和(自身を含む): 42322812

約数和(自身を除く): 20478796

約数列:

[1, 2, 4, 8, 16, 1365251, 2730502, 5461004, 10922008, 21844016]

約数ペア:

[(1, 21844016), (2, 10922008), (4, 5461004), (8, 2730502), (16, 1365251)]