21490623

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10337}}^1$

素因数の和:10364

約数の個数: 32

約数和(自身を含む): 39697920

約数和(自身を除く): 18207297

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 10337, 31011, 72359, 93033, 113707, 217077, 279099, 341121, 651231, 795949, 1023363, 1953693, 2387847, 3070089, 7163541, 21490623]

約数ペア:

[(1, 21490623), (3, 7163541), (7, 3070089), (9, 2387847), (11, 1953693), (21, 1023363), (27, 795949), (33, 651231), (63, 341121), (77, 279099), (99, 217077), (189, 113707), (231, 93033), (297, 72359), (693, 31011), (2079, 10337)]