21153670557

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1\times {\mathrm{150221}}^1$

素因数の和:150940

約数の個数: 16

約数和(自身を含む): 28635918528

約数和(自身を除く): 7482247971

約数列:

[1, 3, 73, 219, 643, 1929, 46939, 140817, 150221, 450663, 10966133, 32898399, 96592103, 289776309, 7051223519, 21153670557]

約数ペア:

[(1, 21153670557), (3, 7051223519), (73, 289776309), (219, 96592103), (643, 32898399), (1929, 10966133), (46939, 450663), (140817, 150221)]