21815630919

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{183037}}^1$

素因数の和:183120

約数の個数: 48

約数和(自身を含む): 35977949280

約数和(自身を除く): 14162318361

約数列:

[1, 3, 9, 17, 19, 41, 51, 57, 123, 153, 171, 323, 369, 697, 779, 969, 2091, 2337, 2907, 6273, 7011, 13243, 39729, 119187, 183037, 549111, 1647333, 3111629, 3477703, 7504517, 9334887, 10433109, 22513551, 28004661, 31299327, 59120951, 67540653, 127576789, 142585823, 177362853, 382730367, 427757469, 532088559, 1148191101, 1283272407, 2423958991, 7271876973, 21815630919]

約数ペア:

[(1, 21815630919), (3, 7271876973), (9, 2423958991), (17, 1283272407), (19, 1148191101), (41, 532088559), (51, 427757469), (57, 382730367), (123, 177362853), (153, 142585823), (171, 127576789), (323, 67540653), (369, 59120951), (697, 31299327), (779, 28004661), (969, 22513551), (2091, 10433109), (2337, 9334887), (2907, 7504517), (6273, 3477703), (7011, 3111629), (13243, 1647333), (39729, 549111), (119187, 183037)]