21167653

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2068

約数の個数: 16

約数和(自身を含む): 24566080

約数和(自身を除く): 3398427

約数列:

[1, 13, 19, 43, 247, 559, 817, 1993, 10621, 25909, 37867, 85699, 492271, 1114087, 1628281, 21167653]

約数ペア:

[(1, 21167653), (13, 1628281), (19, 1114087), (43, 492271), (247, 85699), (559, 37867), (817, 25909), (1993, 10621)]