21744189

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 33415200

約数和(自身を除く): 11671011

約数列:

[1, 3, 9, 19, 57, 101, 171, 303, 909, 1259, 1919, 3777, 5757, 11331, 17271, 23921, 71763, 127159, 215289, 381477, 1144431, 2416021, 7248063, 21744189]

約数ペア:

[(1, 21744189), (3, 7248063), (9, 2416021), (19, 1144431), (57, 381477), (101, 215289), (171, 127159), (303, 71763), (909, 23921), (1259, 17271), (1919, 11331), (3777, 5757)]