21021104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101063}}^1$

素因数の和:101084

約数の個数: 20

約数和(自身を含む): 43861776

約数和(自身を除く): 22840672

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101063, 202126, 404252, 808504, 1313819, 1617008, 2627638, 5255276, 10510552, 21021104]

約数ペア:

[(1, 21021104), (2, 10510552), (4, 5255276), (8, 2627638), (13, 1617008), (16, 1313819), (26, 808504), (52, 404252), (104, 202126), (208, 101063)]