21519198

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{11173}}^1$

素因数の和:11288

約数の個数: 24

約数和(自身を含む): 47064888

約数和(自身を除く): 25545690

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 11173, 22346, 33519, 67038, 100557, 201114, 1195511, 2391022, 3586533, 7173066, 10759599, 21519198]

約数ペア:

[(1, 21519198), (2, 10759599), (3, 7173066), (6, 3586533), (9, 2391022), (18, 1195511), (107, 201114), (214, 100557), (321, 67038), (642, 33519), (963, 22346), (1926, 11173)]