21823879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1877}}^1$

素因数の和:2046

約数の個数: 16

約数和(自身を含む): 27403776

約数和(自身を除く): 5579897

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 1877, 11627, 13139, 20647, 144529, 283427, 1983989, 3117697, 21823879]

約数ペア:

[(1, 21823879), (7, 3117697), (11, 1983989), (77, 283427), (151, 144529), (1057, 20647), (1661, 13139), (1877, 11627)]