21050224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101203}}^1$

素因数の和:101224

約数の個数: 20

約数和(自身を含む): 43922536

約数和(自身を除く): 22872312

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101203, 202406, 404812, 809624, 1315639, 1619248, 2631278, 5262556, 10525112, 21050224]

約数ペア:

[(1, 21050224), (2, 10525112), (4, 5262556), (8, 2631278), (13, 1619248), (16, 1315639), (26, 809624), (52, 404812), (104, 202406), (208, 101203)]