21801026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1667}}^1$

素因数の和:2185

約数の個数: 16

約数和(自身を含む): 35308224

約数和(自身を除く): 13507198

約数列:

[1, 2, 13, 26, 503, 1006, 1667, 3334, 6539, 13078, 21671, 43342, 838501, 1677002, 10900513, 21801026]

約数ペア:

[(1, 21801026), (2, 10900513), (13, 1677002), (26, 838501), (503, 43342), (1006, 21671), (1667, 13078), (3334, 6539)]