21790764

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5657}}^1$

素因数の和:5774

約数の個数: 36

約数和(自身を含む): 55606824

約数和(自身を除く): 33816060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5657, 11314, 16971, 22628, 33942, 50913, 67884, 101826, 203652, 605299, 1210598, 1815897, 2421196, 3631794, 5447691, 7263588, 10895382, 21790764]

約数ペア:

[(1, 21790764), (2, 10895382), (3, 7263588), (4, 5447691), (6, 3631794), (9, 2421196), (12, 1815897), (18, 1210598), (36, 605299), (107, 203652), (214, 101826), (321, 67884), (428, 50913), (642, 33942), (963, 22628), (1284, 16971), (1926, 11314), (3852, 5657)]