21094381515

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19806931}}^1$

素因数の和:19807010

約数の個数: 16

約数和(自身を含む): 34226378496

約数和(自身を除く): 13131996981

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19806931, 59420793, 99034655, 297103965, 1406292101, 4218876303, 7031460505, 21094381515]

約数ペア:

[(1, 21094381515), (3, 7031460505), (5, 4218876303), (15, 1406292101), (71, 297103965), (213, 99034655), (355, 59420793), (1065, 19806931)]