21222734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42961}}^1$

素因数の和:42995

約数の個数: 16

約数和(自身を含む): 36088080

約数和(自身を除く): 14865346

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42961, 85922, 558493, 816259, 1116986, 1632518, 10611367, 21222734]

約数ペア:

[(1, 21222734), (2, 10611367), (13, 1632518), (19, 1116986), (26, 816259), (38, 558493), (247, 85922), (494, 42961)]