21602493

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 36

約数和(自身を含む): 34856640

約数和(自身を除く): 13254147

約数列:

[1, 3, 9, 11, 33, 83, 99, 121, 239, 249, 363, 717, 747, 913, 1089, 2151, 2629, 2739, 7887, 8217, 10043, 19837, 23661, 28919, 30129, 59511, 86757, 90387, 178533, 218207, 260271, 654621, 1963863, 2400277, 7200831, 21602493]

約数ペア:

[(1, 21602493), (3, 7200831), (9, 2400277), (11, 1963863), (33, 654621), (83, 260271), (99, 218207), (121, 178533), (239, 90387), (249, 86757), (363, 59511), (717, 30129), (747, 28919), (913, 23661), (1089, 19837), (2151, 10043), (2629, 8217), (2739, 7887)]