21326196987

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{1627}}^1\times {\mathrm{50221}}^1$

素因数の和:51883

約数の個数: 24

約数和(自身を含む): 31886952240

約数和(自身を除く): 10560755253

約数列:

[1, 3, 9, 29, 87, 261, 1627, 4881, 14643, 47183, 50221, 141549, 150663, 424647, 451989, 1456409, 4369227, 13107681, 81709567, 245128701, 735386103, 2369577443, 7108732329, 21326196987]

約数ペア:

[(1, 21326196987), (3, 7108732329), (9, 2369577443), (29, 735386103), (87, 245128701), (261, 81709567), (1627, 13107681), (4881, 4369227), (14643, 1456409), (47183, 451989), (50221, 424647), (141549, 150663)]