21986614

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{2437}}^1$

素因数の和:2799

約数の個数: 16

約数和(自身を含む): 35633808

約数和(自身を除く): 13647194

約数列:

[1, 2, 13, 26, 347, 694, 2437, 4511, 4874, 9022, 31681, 63362, 845639, 1691278, 10993307, 21986614]

約数ペア:

[(1, 21986614), (2, 10993307), (13, 1691278), (26, 845639), (347, 63362), (694, 31681), (2437, 9022), (4511, 4874)]