21930896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{105437}}^1$

素因数の和:105458

約数の個数: 20

約数和(自身を含む): 45760092

約数和(自身を除く): 23829196

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 105437, 210874, 421748, 843496, 1370681, 1686992, 2741362, 5482724, 10965448, 21930896]

約数ペア:

[(1, 21930896), (2, 10965448), (4, 5482724), (8, 2741362), (13, 1686992), (16, 1370681), (26, 843496), (52, 421748), (104, 210874), (208, 105437)]