21721167363

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{445261}}^1$

素因数の和:445395

約数の個数: 32

約数和(自身を含む): 34880044032

約数和(自身を除く): 13158876669

約数列:

[1, 3, 7, 21, 23, 69, 101, 161, 303, 483, 707, 2121, 2323, 6969, 16261, 48783, 445261, 1335783, 3116827, 9350481, 10241003, 30723009, 44971361, 71687021, 134914083, 215061063, 314799527, 944398581, 1034341303, 3103023909, 7240389121, 21721167363]

約数ペア:

[(1, 21721167363), (3, 7240389121), (7, 3103023909), (21, 1034341303), (23, 944398581), (69, 314799527), (101, 215061063), (161, 134914083), (303, 71687021), (483, 44971361), (707, 30723009), (2121, 10241003), (2323, 9350481), (6969, 3116827), (16261, 1335783), (48783, 445261)]