21026988

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5783}}^1$

素因数の和:5894

約数の個数: 36

約数和(自身を含む): 53687088

約数和(自身を除く): 32660100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5783, 11566, 17349, 23132, 34698, 52047, 69396, 104094, 208188, 584083, 1168166, 1752249, 2336332, 3504498, 5256747, 7008996, 10513494, 21026988]

約数ペア:

[(1, 21026988), (2, 10513494), (3, 7008996), (4, 5256747), (6, 3504498), (9, 2336332), (12, 1752249), (18, 1168166), (36, 584083), (101, 208188), (202, 104094), (303, 69396), (404, 52047), (606, 34698), (909, 23132), (1212, 17349), (1818, 11566), (3636, 5783)]