21512601

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 35130240

約数和(自身を除く): 13617639

約数列:

[1, 3, 9, 11, 27, 33, 99, 113, 297, 339, 641, 1017, 1243, 1923, 3051, 3729, 5769, 7051, 11187, 17307, 21153, 33561, 63459, 72433, 190377, 217299, 651897, 796763, 1955691, 2390289, 7170867, 21512601]

約数ペア:

[(1, 21512601), (3, 7170867), (9, 2390289), (11, 1955691), (27, 796763), (33, 651897), (99, 217299), (113, 190377), (297, 72433), (339, 63459), (641, 33561), (1017, 21153), (1243, 17307), (1923, 11187), (3051, 7051), (3729, 5769)]