21586527

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1451}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 34848000

約数和(自身を除く): 13261473

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1451, 1653, 4353, 4959, 13059, 14877, 27569, 39177, 42079, 82707, 126237, 248121, 378711, 744363, 799501, 1136133, 2398503, 7195509, 21586527]

約数ペア:

[(1, 21586527), (3, 7195509), (9, 2398503), (19, 1136133), (27, 799501), (29, 744363), (57, 378711), (87, 248121), (171, 126237), (261, 82707), (513, 42079), (551, 39177), (783, 27569), (1451, 14877), (1653, 13059), (4353, 4959)]