21033777

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4969}}^1$

素因数の和:5072

約数の個数: 16

約数和(自身を含む): 30058560

約数和(自身を除く): 9024783

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 4969, 14907, 84473, 253419, 412427, 1237281, 7011259, 21033777]

約数ペア:

[(1, 21033777), (3, 7011259), (17, 1237281), (51, 412427), (83, 253419), (249, 84473), (1411, 14907), (4233, 4969)]