21167265843

素因数分解:

$3^3\times {\mathrm{727}}^1\times {\mathrm{1078367}}^1$

素因数の和:1079103

約数の個数: 16

約数和(自身を含む): 31402076160

約数和(自身を除く): 10234810317

約数列:

[1, 3, 9, 27, 727, 2181, 6543, 19629, 1078367, 3235101, 9705303, 29115909, 783972809, 2351918427, 7055755281, 21167265843]

約数ペア:

[(1, 21167265843), (3, 7055755281), (9, 2351918427), (27, 783972809), (727, 29115909), (2181, 9705303), (6543, 3235101), (19629, 1078367)]