21573189

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3823}}^1$

素因数の和:3862

約数の個数: 32

約数和(自身を含む): 36710400

約数和(自身を除く): 15137211

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3823, 5643, 11469, 34407, 42053, 72637, 103221, 126159, 217911, 378477, 653733, 799007, 1135431, 1961199, 2397021, 7191063, 21573189]

約数ペア:

[(1, 21573189), (3, 7191063), (9, 2397021), (11, 1961199), (19, 1135431), (27, 799007), (33, 653733), (57, 378477), (99, 217911), (171, 126159), (209, 103221), (297, 72637), (513, 42053), (627, 34407), (1881, 11469), (3823, 5643)]